US2420258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener-applying implement
Assignee: Bostitch Inc
•
Filing: 1943-12-31
•
Granted: 1947-05-06
•
Expires: 1963-12-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Maynard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:48
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/06; B25C5/08; B25C5/085; B25C5/02; B25C5/0221; B25C5/0257; B25C5/16; B25C5/1606; B25C5/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1170002A
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US966537A
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US1436413A
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US1655275A
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US2153874A
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US2122815A
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US2237438A
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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) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |