Patent US1020971A successfully refreshed from Google Patents.
Patent US2603541A successfully refreshed from Google Patents.
US2603541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing and seal construction
Assignee: International Motors LLC
•
Filing: 1946-09-07
•
Granted: 1952-07-15
•
Expires: 1966-09-07
Abstract
No abstract record available.
Inventors
- 👤 George M Kriegbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:42
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/06; A01B15/00; A01B15/16; F; F16; F16C; F16C33/00; F16C33/72; F16C33/74
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1621272A
Cited
US866007A
Cited
US1082084A
Cited
US1383957A
Cited
US1931733A
Cited
US1860305A
Cited
US2250348A
Cited
US2311287A
Cited
US2410927A
Cited
US2408909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |