Patent US3257138A successfully refreshed from Google Patents.
US3257138A
Expired / Lapsed
US
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Spindle rotating means
Assignee: Individual
•
Filing: 1965-03-22
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Granted: 1966-06-21
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
- 👤 George B Solovieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:54
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0974; Y10T292/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A DOOR LOCK STRUCTURE INCLUDING A FRAME ADAPTED TO BE MOUNTED ON A DOOR, A SPINDLE ROTATABLY MOUNTED IN SAID STRUCTURE, A HANDHOLD NONROTATABLY SECURED TO ONE END OF THE SPINDLE ON ONE SIDE OF THE FRAME, AND A CRANK ARM NONROTATABLY ENGAGED WITH THE OTHER END OF THE SPINDLE, THE COMBINATION OF A MANUALLY ACTUABLE LEVER PIVOTALLY MOUNTED ON THE FRAME, ONE END OF SAID LEVER HAVING A PATH OF MOVEMENT RELATIVE TO SAID FRAME, THE OTHER END OF SAID LEVER BEING ON THE OTHER SIDE OF SAID FRAME AND COMPRISING A MANUALLY ACTUABLE THUMB PIECE, AND A SPINDLE ROTATING LINKAGE BETWEEN SAID MANUALLY ACTUABLE LEVER AND THE SPINDLE, SAID LINKAGE COMPRISING A FIRST PORTION EXTENDING ACROSS SAID PATH OF MOVEMENT, A SECOND PORTION HAVING ONE PART IN PIVOTAL ENGAGEMENT WITH SAID
Claim 2
Dependent Claim
134 words
IN A DOOR LOCK STRUCTURE INCLUDING A FRAME ADAPTED TO BE MOUNTED ON A DOOR, A SPINDLE ROTATABLY MOUNTED IN SAID STRUCTURE, A HANDHOLD NONROTATABLY SECURED TO ONE END OF THE SPINDLE ON ONE SIDE OF THE FRAME, AND A CRANK ARM NONROTATABLY ENGAGED WITH THE OTHER END OF THE SPINDLE, THE COMBINATION OF A MANUALLY ACTUABLE LEVER PIVOTALLY MOUNTED ON THE FRAME, ONE END OF SAID LEVER HAVING A PATH OF MOVEMENT RELATIVE TO SAID FRAME, THE OTHER END OF SAID LEVER BEING ON THE OTHER SIDE OF SAID FRAME AND COMPRISING A MANUALLY ACTUABLE THUMB PIECE, AND A SPINDLE ROTATING LINKAGE BETWEEN SAID MANUALLY ACTUABLE LEVER AND THE SPINDLE, SAID LINKAGE COMPRISING A FIRST PORTION EXTENDING ACROSS SAID PATH OF MOVEMENT, A SECOND PORTION HAVING ONE PART IN PIVOTAL ENGAGEMENT WITH SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |