Patent US2375810A successfully refreshed from Google Patents.
US2375810A
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Assignee: Individual
•
Filing: 1943-09-07
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Granted: 1945-05-15
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Expires: 1963-09-07
Abstract
No abstract record available.
Inventors
- 👤 Christian A Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
F; F16; F16K; F16K17/00; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/18; F16K15/182; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7725; Y10T137/7731; Y10T137/7733; Y10T137/7837; Y10T137/7854; Y10T137/7856; Y10T137/7876; Y10T137/7904; Y10T137/7922; Y10T137/7929
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) | 1948-05-14 | 1948-11-13 | 1949-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-14 | 1952-11-13 | 1953-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-14 | 1956-11-13 | 1957-05-15 | $7700.00 | Window Closed / Lapsed |