US3058485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight of liquid responsive valve
Assignee: Telecomputing Corp
•
Filing: 1959-07-24
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Granted: 1962-10-16
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Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Malcolm M Mcqueen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:33
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/34; B; B64; B64D; B64D37/00; B64D37/005; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1955495A
Cited
US2548354A
Cited
US2736337A
Cited
US2699316A
Cited
US2620818A
Cited
US2843145A
Cited
US2911000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |