US2687084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil extraction press
Assignee: Individual
•
Filing: 1949-08-16
•
Granted: 1954-08-24
•
Expires: 1969-08-16
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:04
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/12; B30B9/121; B30B9/26; B30B9/267
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1049834A
Cited
US1288864A
Cited
US1233930A
Cited
US1297901A
Cited
US1772262A
Cited
DE554916C
Cited
US2149736A
Cited
US2299784A
Cited
US2335819A
Cited
US2560147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |