US2536792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper fastener
Assignee: Individual
•
Filing: 1948-12-11
•
Granted: 1951-01-02
•
Expires: 1968-12-11
Abstract
No abstract record available.
Inventors
- 👤 Robert H Wendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:56
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/02; Y; Y10; Y10T; Y10T24/00; Y10T24/49; Y10T24/492; Y10T24/493; Y10T24/495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US440904A
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US735710A
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US1067036A
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US1480952A
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US1650002A
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US1571482A
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US1704121A
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US1982272A
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US2339412A
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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) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |