Patent US3270978A successfully refreshed from Google Patents.
US3270978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire-coiling machine with differential drive
Assignee: Individual
•
Filing: 1964-10-28
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Granted: 1966-09-06
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Expires: 1984-10-28
Abstract
No abstract record available.
Inventors
- 👤 Donald P Whitacre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:31
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/04; B21C47/045; B21C47/10; B21C47/14; B21C47/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A WIRE-COILING MACHINE, THE COMBINATION OF: A BLOCK MOUNTED TO ROTATE ABOUT A VERTCAL AXIS, A ROTARYFLYER ASSEMBLY MOUNTED TO ROTATE ABOUT SAID AXIS FOR WRAPPING WIRE UPON SAID BLOCK, A DIFFERENTIAL DRIVE DEVICE HAVING A FIRST DRIVEN MEMBER CONNECTED TO SAID BLOCK AND A SECOND DRIVEN MEMBER CONNECTED TO SAID ROTARY-FLYER ASSEMBLY, SAID DIFFERNTIAL DRIVE DEVICE HAVING A POWER INPUT
Claim 2
Dependent Claim
62 words
IN A WIRE-COILING MACHINE, THE COMBINATION OF: A BLOCK MOUNTED TO ROTATE ABOUT A VERTCAL AXIS, A ROTARYFLYER ASSEMBLY MOUNTED TO ROTATE ABOUT SAID AXIS FOR WRAPPING WIRE UPON SAID BLOCK, A DIFFERENTIAL DRIVE DEVICE HAVING A FIRST DRIVEN MEMBER CONNECTED TO SAID BLOCK AND A SECOND DRIVEN MEMBER CONNECTED TO SAID ROTARY-FLYER ASSEMBLY, SAID DIFFERNTIAL DRIVE DEVICE HAVING A POWER INPUT
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |