US2968477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical, resilient pressure-applying devices
Assignee: Crane Packing Ltd
•
Filing: 1958-11-03
•
Granted: 1961-01-17
•
Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Samuel Cliffo Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:39
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/06; F16J9/061; F16J9/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE135218C
Cited
US388160A
Cited
US1589381A
Cited
GB264757A
Cited
US2564570A
Cited
FR1063799A
Cited
US2750185A
Cited
US2822677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |