US3470910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure valve with low-pressure operating device
Assignee: General Gas Light Co
•
Filing: 1967-03-03
•
Granted: 1969-10-07
•
Expires: 1987-03-03
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Loveless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:53
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/38; F16K31/385; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1569336A
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US2544520A
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US2674266A
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US2756774A
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US2722234A
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US2761470A
Cited
US2913005A
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US2912009A
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US2963034A
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US3208720A
Cited
US3326239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |