Patent US2500724A successfully refreshed from Google Patents.
US2500724A
Expired / Lapsed
US
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Button blanking machine
Assignee: Individual
•
Filing: 1944-01-17
•
Granted: 1950-03-14
•
Expires: 1964-01-17
Abstract
No abstract record available.
Inventors
- 👤 Jr John Weber
- 👤 Charles F Weber
- 👤 Louis H Weber
- 👤 Walter F Weber
- 👤 Frank H Weber
- 👤 Edward W Weber
- 👤 Leonard G Weber
- 👤 Carl A Goetzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:38
CPC Classifications
B; B29; B29D; B29D19/00; B29D19/04; B29C; B29C43/00; Y; Y10; Y10T; Y10T408/00; Y10T408/47
Claims Analysis
Total Claims: 0
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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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |