Patent US1374914A successfully refreshed from Google Patents.
US1374914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dashpot
Assignee: US Light and Heat Corp
•
Filing: 1916-04-08
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Granted: 1921-04-19
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Expires: 1936-04-08
Abstract
No abstract record available.
Inventors
- 👤 Engel Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:41
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/001; Y; Y10; Y10S; Y10S417/00; Y10S417/01; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32681; Y10T403/32704
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) | 1924-04-18 | 1924-10-18 | 1925-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-18 | 1928-10-18 | 1929-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-18 | 1932-10-18 | 1933-04-19 | $7700.00 | Window Closed / Lapsed |