Patent US2588053A successfully refreshed from Google Patents.
US2588053A
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Assignee: Individual
•
Filing: 1949-03-11
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Granted: 1952-03-04
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Expires: 1969-03-11
Abstract
No abstract record available.
Inventors
- 👤 Chadwick P Smith
- 👤 Alfred P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:00
CPC Classifications
D; D02; D02H; D02H13/00; D02H13/16; B; B65; B65H; B65H49/00; B65H49/02; B65H49/04; B65H49/10; B65H49/12; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US494490A
Cited
US795769A
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US992324A
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US1364987A
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US1642805A
Cited
US1765590A
Cited
US2466852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |