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US2854855A
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Assignee: ALTOFER BROS Co
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Filing: 1956-03-20
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Granted: 1958-10-07
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Expires: 1976-03-20
Abstract
No abstract record available.
Inventors
- 👤 Dudley Randolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:38
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/101; H01H43/102; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19358; Y10T74/19367; Y10T74/19614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1635192A
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US2191332A
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US2151150A
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US2411618A
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US2435122A
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US2525915A
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US2541360A
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US2803121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |