US3279528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shade
Assignee: Individual
•
Filing: 1965-02-23
•
Granted: 1966-10-18
•
Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 John M Gambon
- 👤 John A Gambon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:47
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/40; E06B9/56; E06B9/58; E06B2009/583
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
268 words
A SHADE COMPRISING A DRUM, A FIRST SPOOL FIXED TO ONE END OF THE DRUM, A SECOND SPOOL SUPPORTED BY THE OTHER END OF THE DRUM, MEANS FOR MOUNTING THE SPOOLS FOR ROTATION OF OPPOSITE SIDES OF AN OPENING ADJACENT AN END THEREOF, A CORD HAVING A FIRST END ATTACHED TO THE FIRST SPOOL, ANOTHER CORD HAVING A FIRST END ATTACHED TO THE SECOND SPOOL, A PAIR OF COAXIAL PULLEYS, ONE OF THE CORDS BEING WOUND IN ONE DIRECTION AROUND ONE PULLEY AND THE OTHER CORD BEING WOUND IN THE OPPOSITE DIRECTION AROUND THE OTHER PULLEY, TORSION SPRING MEANS BIASING EACH PULLEY TOWARD ROTATION IN A DIRECTION TENDING TO WIND ITS CORD FURTHER AROUND SAID PULLEY, A FLEXIBLE SHEET HAVING AN EDGE ATTACHED TO THE DRUM, THE SHEET BEING ROLLED ABOUT THE DRUM IN A DIRECTION OPPOSITE TO THAT IN WHICH THE CORDS ARE WOUND ABOUT THE SPOOLS, A ROD SUPPORTED BY THE EDGE OF THE SHEET FURTHEST FROM THE DRUM, A GROOVE IN THE ROD, ONE OF THE CORDS HAVING A CENTRAL PART RECEIVED WITHIN THE GROOVE, MEANS AT OPPOSITE ENDS OF THE ROD TO HOLD THE CORD IN THE GROOVE WHILE PERMITTING THE CORD TO SLIDE IN THE GROOVE, A PROJECTING MEMBER ON EACH SIDE OF THE OPENING ADJACENT THE END OF THE OPENING OPPOSITE THE DRUM, THE CORD ATTACHED TO THE FIRST SPOOL HAVING A PART EXTENDING AROUND THE PROJECTING MEMBER ON THE FIRST SPOOL SIDE OF THE OPENING AND THEN EXTENDING TO THE ADJACENT END OF THE ROD, THE LAST NAMED CORD HAVING A PART DEPENDING FROM ONE OF THE PULLEYS AND EXTENDING AROUND
Claim 2
Dependent Claim
268 words
A SHADE COMPRISING A DRUM, A FIRST SPOOL FIXED TO ONE END OF THE DRUM, A SECOND SPOOL SUPPORTED BY THE OTHER END OF THE DRUM, MEANS FOR MOUNTING THE SPOOLS FOR ROTATION OF OPPOSITE SIDES OF AN OPENING ADJACENT AN END THEREOF, A CORD HAVING A FIRST END ATTACHED TO THE FIRST SPOOL, ANOTHER CORD HAVING A FIRST END ATTACHED TO THE SECOND SPOOL, A PAIR OF COAXIAL PULLEYS, ONE OF THE CORDS BEING WOUND IN ONE DIRECTION AROUND ONE PULLEY AND THE OTHER CORD BEING WOUND IN THE OPPOSITE DIRECTION AROUND THE OTHER PULLEY, TORSION SPRING MEANS BIASING EACH PULLEY TOWARD ROTATION IN A DIRECTION TENDING TO WIND ITS CORD FURTHER AROUND SAID PULLEY, A FLEXIBLE SHEET HAVING AN EDGE ATTACHED TO THE DRUM, THE SHEET BEING ROLLED ABOUT THE DRUM IN A DIRECTION OPPOSITE TO THAT IN WHICH THE CORDS ARE WOUND ABOUT THE SPOOLS, A ROD SUPPORTED BY THE EDGE OF THE SHEET FURTHEST FROM THE DRUM, A GROOVE IN THE ROD, ONE OF THE CORDS HAVING A CENTRAL PART RECEIVED WITHIN THE GROOVE, MEANS AT OPPOSITE ENDS OF THE ROD TO HOLD THE CORD IN THE GROOVE WHILE PERMITTING THE CORD TO SLIDE IN THE GROOVE, A PROJECTING MEMBER ON EACH SIDE OF THE OPENING ADJACENT THE END OF THE OPENING OPPOSITE THE DRUM, THE CORD ATTACHED TO THE FIRST SPOOL HAVING A PART EXTENDING AROUND THE PROJECTING MEMBER ON THE FIRST SPOOL SIDE OF THE OPENING AND THEN EXTENDING TO THE ADJACENT END OF THE ROD, THE LAST NAMED CORD HAVING A PART DEPENDING FROM ONE OF THE PULLEYS AND EXTENDING AROUND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |