US1516846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Kelvinator Inc
•
Filing: 1923-07-26
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Granted: 1924-11-25
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Expires: 1943-07-26
Abstract
No abstract record available.
Inventors
- 👤 William C Dever
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:32
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/12; F04B39/125; F04B39/10; F04B39/1013; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7668; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932; Y10T137/7934
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) | 1927-11-25 | 1928-05-26 | 1928-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-25 | 1932-05-26 | 1932-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-25 | 1936-05-26 | 1936-11-25 | $7700.00 | Window Closed / Lapsed |