US1146012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: Individual
•
Filing: 1913-04-28
•
Granted: 1915-07-13
•
Expires: 1933-04-28
Abstract
No abstract record available.
Inventors
- 👤 Frederic H Mason
- 👤 Mollie H Mason
- 👤 C A Bartleson
- 👤 Roy R Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:22
CPC Classifications
E; E03; E03D; E03D3/00; E03D3/02; E03D3/04; F; F15; F15B; F15B13/00; F15B13/01
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) | 1918-07-12 | 1919-01-11 | 1919-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-12 | 1923-01-11 | 1923-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-12 | 1927-01-11 | 1927-07-13 | $7700.00 | Window Closed / Lapsed |