US2715009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows operated self aligning valve
Assignee: ELECTRIMATIC Co
•
Filing: 1949-04-15
•
Granted: 1955-08-09
•
Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
- 👤 Henry L Beekley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:44
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2170137A
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US2270037A
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US2318161A
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US2365650A
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US2431283A
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US2400044A
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US2456403A
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US2518852A
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US2468489A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |