Patent US617057A successfully refreshed from Google Patents.
Patent US2945609A successfully refreshed from Google Patents.
US2945609A
Expired / Lapsed
US
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Coil lifting and positioning mechanism
Assignee: Cullen Friestedt Co
•
Filing: 1959-04-23
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Granted: 1960-07-19
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Expires: 1979-04-23
Abstract
No abstract record available.
Inventors
- 👤 William S Benes
- 👤 Louis G Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:05
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/24; B21C47/242; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/48; B66C1/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |