US2463799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Button blank cutting machine
Assignee: AMERICAN PEARL BUTTON Co
•
Filing: 1945-10-17
•
Granted: 1949-03-08
•
Expires: 1965-10-17
Abstract
No abstract record available.
Inventors
- 👤 Rufus N Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:33
CPC Classifications
B; B29; B29D; B29D19/00; B29D19/04; Y; Y10; Y10S; Y10S29/00; Y10S29/068; Y10S29/101; Y10S29/102; Y10T; Y10T408/00; Y10T408/50; Y10T408/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US897187A
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US904103A
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US919914A
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US1129166A
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US1230688A
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US2163338A
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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) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |