US1044958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-regulator.
Assignee: Individual
•
Filing: 1912-04-23
•
Granted: 1912-11-19
•
Expires: 1932-04-23
Abstract
No abstract record available.
Inventors
- 👤 Roland W West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6167; Y10T137/6171; Y10T137/6174; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/7812; Y10T137/7814; Y10T137/7816
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) | 1915-11-19 | 1916-05-20 | 1916-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-11-19 | 1920-05-20 | 1920-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-11-19 | 1924-05-20 | 1924-11-19 | $7700.00 | Window Closed / Lapsed |