US1628337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas control
Assignee: Individual
•
Filing: 1926-08-17
•
Granted: 1927-05-10
•
Expires: 1946-08-17
Abstract
No abstract record available.
Inventors
- 👤 David H Shogran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:21
CPC Classifications
F; F16; F16K; F16K37/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/6977; Y10T137/8158; Y10T137/8225; Y10T137/8275
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) | 1930-05-09 | 1930-11-08 | 1931-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-09 | 1934-11-08 | 1935-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-09 | 1938-11-08 | 1939-05-10 | $7700.00 | Window Closed / Lapsed |