US2642111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade backing machine
Assignee: Individual
•
Filing: 1946-02-23
•
Granted: 1953-06-16
•
Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Bindszus William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:41
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/60; B21D53/64; B21D53/645; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313; Y10T29/53383; Y10T29/53396; Y10T29/53478; Y10T29/53522; Y10T29/53709; Y10T29/53787; Y10T29/53791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US713062A
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US1467015A
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US1632593A
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US1736770A
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US1951480A
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US1903659A
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US2069429A
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US2209724A
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US2117711A
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US2298451A
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US2299266A
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US2371816A
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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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |