Patent US2209724A successfully refreshed from Google Patents.
US2209724A
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Razor blade assembling machine and method
Assignee: CONRAD RAZOR BLADE Co Inc
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Filing: 1937-03-09
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Granted: 1940-07-30
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Expires: 1957-03-09
Abstract
No abstract record available.
Inventors
- 👤 Irving S Bodkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/60; B21D53/64; B21D53/645; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/53; Y10T29/53313; Y10T29/53383; Y10T29/53396; Y10T29/53709; Y10T29/53787; Y10T29/53791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-30 | 1944-01-29 | 1944-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-30 | 1948-01-29 | 1948-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-30 | 1952-01-29 | 1952-07-30 | $7700.00 | Window Closed / Lapsed |