US2938700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting means
Assignee: Individual
•
Filing: 1956-01-06
•
Granted: 1960-05-31
•
Expires: 1976-01-06
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:27
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/02; F16F15/04; F16F15/06; F16F15/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US997842A
Cited
US1037729A
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FR764050A
Cited
US2064751A
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US1988295A
Cited
US2216814A
Cited
US2387066A
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US2425565A
Cited
US2606447A
Cited
US2658710A
Cited
US2744718A
Cited
US2688479A
Cited
US2775445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |