Patent US2031501A successfully refreshed from Google Patents.
US2031501A
Expired / Lapsed
US
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Reel
Assignee: Individual
•
Filing: 1935-04-05
•
Granted: 1936-02-18
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Expires: 1955-04-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:23
CPC Classifications
A; A01; A01K; A01K89/00; A01K89/08; B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; A01K89/02; A01K89/033; B65H75/34; B65H75/38; B65H75/40; B65H75/406; B65H75/44; B65H75/4418; B65H75/4428; A01K89/01; A01K89/01121; A63; A63H; A63H27/00; A63H27/002; B65H2402/00; B65H2402/40; B65H2402/41; Y; Y10; Y10S; Y10S242/00; Y10S242/912
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) | 1939-02-17 | 1939-08-19 | 1940-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-17 | 1943-08-19 | 1944-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-17 | 1947-08-19 | 1948-02-18 | $7700.00 | Window Closed / Lapsed |