US2967704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring adjusting device
Assignee: Individual
•
Filing: 1956-12-04
•
Granted: 1961-01-10
•
Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 George L Hammon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:27
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1595809A
Cited
US1613076A
Cited
US2311110A
Cited
US2597479A
Cited
US2674829A
Cited
US2697599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |