US1179538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-regulating device.
Assignee: MAPEL MANUFACTURING Co
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Filing: 1914-06-11
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Granted: 1916-04-18
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Expires: 1934-06-11
Abstract
No abstract record available.
Inventors
- 👤 Lewis A Mapel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:52
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16K31/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7361; Y10T137/7365; Y10T137/7368; Y10T137/7381; Y10T137/7394; Y10T137/7397; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684
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) | 1919-04-18 | 1919-10-18 | 1920-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-04-18 | 1923-10-18 | 1924-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-04-18 | 1927-10-18 | 1928-04-18 | $7700.00 | Window Closed / Lapsed |