Patent US2755759A successfully refreshed from Google Patents.
US2755759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locating and ejecting mechanism
Assignee: American Flange and Manufacturing Co Inc
•
Filing: 1951-07-09
•
Granted: 1956-07-24
•
Expires: 1971-07-09
Abstract
No abstract record available.
Inventors
- 👤 Seward M Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:59
CPC Classifications
B; B21; B21D; B21D45/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US227827A
Cited
US227829A
Cited
US451534A
Cited
US784415A
Cited
US1000002A
Cited
US1415838A
Cited
US1747463A
Cited
US2275561A
Cited
US2433533A
Cited
US2421365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |