US3015316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalance valves and the like
Assignee: Individual
•
Filing: 1959-01-08
•
Granted: 1962-01-02
•
Expires: 1979-01-08
Abstract
No abstract record available.
Inventors
- 👤 William W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:42
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/01; B; B66; B66C; B66C13/00; B66C13/18; B66D; B66D1/00; B66D1/02; B66D1/08; B66C2700/00; B66C2700/06; B66C2700/062; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |