Patent US2388508A successfully refreshed from Google Patents.
US2388508A
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Assignee: Individual
•
Filing: 1944-03-04
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Granted: 1945-11-06
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Expires: 1964-03-04
Abstract
No abstract record available.
Inventors
- 👤 Timpson Lewis G Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:08
CPC Classifications
A; A62; A62C; A62C31/00; A62C31/02; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/311; B01F25/3111; B05; B05B; B05B1/00; B05B1/12; B05B1/14; B05B1/16; B05B1/1627; B05B1/1636; B05B1/26; B05B7/00; B05B7/0012; B05B7/02; B05B7/04; B05B7/0416; B05B7/0425; B05B1/34; B05B1/3402; Y; Y10; Y10S; Y10S261/00; Y10S261/22; Y10S261/26
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) | 1948-11-05 | 1949-05-07 | 1949-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-05 | 1953-05-07 | 1953-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-05 | 1957-05-07 | 1957-11-06 | $7700.00 | Window Closed / Lapsed |