US2715875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial type reciprocating engine
Assignee: Electraulic Presses Ltd
•
Filing: 1949-10-21
•
Granted: 1955-08-23
•
Expires: 1969-10-21
Abstract
No abstract record available.
Inventors
- 👤 Towler John Maurice
- 👤 Towler Frank Hathorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:49
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/18; F04B1/141; F04B1/146; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/106; F04B53/00; F04B53/10; F04B53/1037; F04B53/16; F04B53/162
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CH165539A
Cited
US1971601A
Cited
US2131857A
Cited
US2238252A
Cited
US2270263A
Cited
US2454563A
Cited
GB588614A
Cited
US2385990A
Cited
FR912421A
Cited
US2520632A
Cited
US2495685A
Cited
US2433222A
Cited
US2461279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |