US2317271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap valve
Assignee: Bryant Heater and Manufacturing Co
•
Filing: 1940-09-09
•
Granted: 1943-04-20
•
Expires: 1960-09-09
Abstract
No abstract record available.
Inventors
- 👤 Frank R Higley
- 👤 Vilynn O Beam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:05
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2924
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |