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US2709080A
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Assignee: American Machine and Metals Inc
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Filing: 1951-07-09
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Granted: 1955-05-24
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Expires: 1971-07-09
Abstract
No abstract record available.
Inventors
- 👤 John E Gilchrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:44
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/02; B65H45/06; B65H45/10; B65H45/101; Y; Y10; Y10S; Y10S493/00; Y10S493/937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US229419A
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US282166A
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US684286A
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US1838704A
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US2106953A
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US2094594A
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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) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |