US2551762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bias cutter
Assignee: Seiberling Rubber Co
•
Filing: 1947-07-12
•
Granted: 1951-05-08
•
Expires: 1967-07-12
Abstract
No abstract record available.
Inventors
- 👤 Fred B Pfeiffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:14
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/46; Y; Y10; Y10T; Y10T83/00; Y10T83/525; Y10T83/527; Y10T83/53; Y10T83/536; Y10T83/647; Y10T83/654; Y10T83/6545; Y10T83/707; Y10T83/7151; Y10T83/869; Y10T83/889; Y10T83/896; Y10T83/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1367513A
Cited
US734215A
Cited
US1497765A
Cited
US1617012A
Cited
US1819773A
Cited
US1784556A
Cited
US1731713A
Cited
US1895274A
Cited
US1819046A
Cited
US2117057A
Cited
US2331342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |