US2908151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant speed drive
Assignee: Individual
•
Filing: 1956-09-25
•
Granted: 1959-10-13
•
Expires: 1976-09-25
Abstract
No abstract record available.
Inventors
- 👤 Gunnar A Wahlmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:28
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/007; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/224; F16D31/00; F16D31/02; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/47; F16D2003/22303; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H39/10; F16H39/14; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924017A
Cited
US1980846A
Cited
US1985278A
Cited
US2010899A
Cited
US2389186A
Cited
US2784554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |