US3186701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring
Assignee: Individual
•
Filing: 1963-03-04
•
Granted: 1965-06-01
•
Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Sr Ralph L Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:28
CPC Classifications
F; F16; F16F; F16F3/00; F16F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158361A
Cited
US2101346A
Cited
US2622448A
Cited
US2721091A
Cited
US2801700A
Cited
US2948529A
Cited
US2991064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |