US2641356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Center scroll bearing
Assignee: General American Transportation Corp
•
Filing: 1947-11-12
•
Granted: 1953-06-09
•
Expires: 1967-11-12
Abstract
No abstract record available.
Inventors
- 👤 Henry M Hunter
- 👤 Carrel C Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:28
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/06; B01D33/44; B01D33/46; B01D33/466; B01D33/80; B01D33/82; B01D35/00; B01D35/16; F; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/506
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US725284A
Cited
US803777A
Cited
US1274548A
Cited
US1491401A
Cited
US1579178A
Cited
US1829392A
Cited
US1972848A
Cited
US1991432A
Cited
US2260812A
Cited
US2385238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |