US2978044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid actuated mechanisms
Assignee: Richard Sutcliffe Ltd
•
Filing: 1957-11-29
•
Granted: 1961-04-04
•
Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Baines Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:04
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/02; F15B7/005; F15B7/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE194995C
Cited
US1326245A
Cited
US956044A
Cited
US1477684A
Cited
US1384661A
Cited
US1744885A
Cited
US1806136A
Cited
US1956989A
Cited
FR44349E
Cited
US2189013A
Cited
US2260268A
Cited
US2766590A
Cited
US2778605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |