US2651826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring clamp
Assignee: Individual
•
Filing: 1951-04-20
•
Granted: 1953-09-15
•
Expires: 1971-04-20
Abstract
No abstract record available.
Inventors
- 👤 Arley D Carpenter
- 👤 John A Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:12
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/22; F16L3/223; F16L3/227; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/3444
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US380320A
Cited
US767150A
Cited
US977704A
Cited
US974998A
Cited
US1136011A
Cited
US1753501A
Cited
US2444350A
Cited
FR930837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |