US2803032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handwheel for manually operable valves
Assignee: Individual
•
Filing: 1954-08-11
•
Granted: 1957-08-20
•
Expires: 1974-08-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Barnsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:02
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/60; G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7098
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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |