US2684526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for backing off broken studs
Assignee: Individual
•
Filing: 1951-07-06
•
Granted: 1954-07-27
•
Expires: 1971-07-06
Abstract
No abstract record available.
Inventors
- 👤 Hoover John Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:43
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49721; Y10T29/49815; Y10T29/49821; Y10T29/49822; Y10T29/49824; Y10T29/53; Y10T29/53687
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR954633A
Cited
AT5170B
Cited
DE372994C
Cited
US1458076A
Cited
US1747944A
Cited
US2248695A
Cited
GB581942A
Cited
US2397216A
Cited
US2547986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |