Patent US2680650A successfully refreshed from Google Patents.
US2680650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic hydraulic giant
Assignee: GEORGE S ALLIN
•
Filing: 1948-11-08
•
Granted: 1954-06-08
•
Expires: 1968-11-08
Abstract
No abstract record available.
Inventors
- 👤 John A Miscovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:45
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0412; E; E21; E21C; E21C45/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US112969A
Cited
US273397A
Cited
GB191025552A
Cited
US1170809A
Cited
US1230328A
Cited
US1454332A
Cited
DE428460C
Cited
US1751640A
Cited
US2057851A
Cited
US2133147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |