Patent US2378877A successfully refreshed from Google Patents.
US2378877A
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Batten
Assignee: Kenyon Instrument Co Inc
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Filing: 1944-02-05
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Granted: 1945-06-19
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Expires: 1964-02-05
Abstract
No abstract record available.
Inventors
- 👤 Waller Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:35
CPC Classifications
F; F03; F03D; F03D1/00; F03D1/06; F03D1/065; B; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B63H9/065; F05; F05B; F05B2240/00; F05B2240/20; F05B2240/30; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1948-06-18 | 1948-12-18 | 1949-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-18 | 1952-12-18 | 1953-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-18 | 1956-12-18 | 1957-06-19 | $7700.00 | Window Closed / Lapsed |