Patent US2630056A successfully refreshed from Google Patents.
US2630056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhauster mechanism
Assignee: Individual
•
Filing: 1948-08-12
•
Granted: 1953-03-03
•
Expires: 1968-08-12
Abstract
No abstract record available.
Inventors
- 👤 Glascock Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:58
CPC Classifications
B; B08; B08B; B08B15/00; B08B15/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE367051C
Cited
US703897A
Cited
US1767988A
Cited
GB375862A
Cited
US2048985A
Cited
US2049856A
Cited
US2134142A
Cited
US2157609A
Cited
US2225349A
Cited
US2232225A
Cited
US2278581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |