Patent US2433993A successfully refreshed from Google Patents.
US2433993A
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Hardware article
Assignee: Keeler Brass Co
•
Filing: 1944-09-25
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Granted: 1948-01-06
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Expires: 1964-09-25
Abstract
No abstract record available.
Inventors
- 👤 Gerald V Jakeway
- 👤 Isaac S Keeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:25
CPC Classifications
A; A47; A47B; A47B95/00; A47B95/02; E; E05; E05B; E05B1/00; E05B1/04; Y; Y10; Y10T; Y10T292/00; Y10T292/82; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2290807A
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US2293630A
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US2327904A
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US2342401A
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US2342402A
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US2342405A
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US2342404A
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US2342403A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |