US2690914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mandrel
Assignee: Individual
•
Filing: 1951-02-15
•
Granted: 1954-10-05
•
Expires: 1971-02-15
Abstract
No abstract record available.
Inventors
- 👤 George F Bryant
- 👤 Raymond C Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:22
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/404; B23B31/4046; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1041; Y10T279/1054; Y10T279/1058; Y10T279/1083
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US749202A
Cited
US640524A
Cited
US1056480A
Cited
US1039305A
Cited
US1588787A
Cited
US1563636A
Cited
US1816093A
Cited
US2018452A
Cited
US2213379A
Cited
US2374192A
Cited
US2373907A
Cited
US2436526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |