US2719013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch-hub reel
Assignee: Individual
•
Filing: 1953-04-08
•
Granted: 1955-09-27
•
Expires: 1973-04-08
Abstract
No abstract record available.
Inventors
- 👤 Babcock William Phil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:04
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/50; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G11B23/00; G11B23/02; G11B23/037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578231A
Cited
DE437972C
Cited
US1835366A
Cited
US2151536A
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US2390894A
Cited
US2484100A
Cited
US2472248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |