US2637241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stud for explosive installations
Assignee: POWDER POWER TOOL Corp
•
Filing: 1949-12-31
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Granted: 1953-05-05
•
Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 Charles R Webber
- 👤 Virginius R Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:38
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/18; F; F16; F16B; F16B19/00; F16B19/14
Claims Analysis
Total Claims: 0
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US2402153A
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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) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |