US3537150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: Individual
•
Filing: 1968-06-06
•
Granted: 1970-11-03
•
Expires: 1988-06-06
Abstract
No abstract record available.
Inventors
- 👤 John Ernest Emberson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:02
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/10; F16B12/00; F16B12/40; F16B12/42; F16B12/44; F16B12/50; Y; Y10; Y10S; Y10S403/00; Y10S403/09; Y10T; Y10T24/00; Y10T24/34; Y10T24/3401; Y10T24/3423; Y10T24/3424; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US656755A
Cited
US911411A
Cited
US1653763A
Cited
US2066148A
Cited
US2086312A
Cited
US2222965A
Cited
FR1004184A
Cited
US3383739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |