US2897502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapling machine
Assignee: Individual
•
Filing: 1958-01-17
•
Granted: 1959-08-04
•
Expires: 1978-01-17
Abstract
No abstract record available.
Inventors
- 👤 Schafroth Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:39
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/10; B25C5/11; B25C5/02; B25C5/0221; B25C5/0257; B25C5/0264; B25C5/13; B25C5/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1714051A
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US2012027A
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US2247292A
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US2522931A
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US2569221A
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US2722001A
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US2763861A
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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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |