US2388696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic valve
Assignee: ELECTRIMATIC Corp
•
Filing: 1942-01-02
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Granted: 1945-11-13
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Expires: 1962-01-02
Abstract
No abstract record available.
Inventors
- 👤 Rollin H Lacart
- 👤 Richard H Gilbert
- 👤 Henry L Beekley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:21
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/40; F16K31/402; F16K31/404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-11-12 | 1949-05-14 | 1949-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-12 | 1953-05-14 | 1953-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-12 | 1957-05-14 | 1957-11-13 | $7700.00 | Window Closed / Lapsed |