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US2008362A
Expired / Lapsed
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Explosive operated tool
Assignee: FREDERICK A PEARSON
•
Filing: 1933-01-27
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Granted: 1935-07-16
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Expires: 1953-01-27
Abstract
No abstract record available.
Inventors
- 👤 Philip E Littlehale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/10; Y; Y10; Y10S; Y10S30/00; Y10S30/04; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49931; Y10T29/51; Y10T29/5116; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53726; Y10T29/5373; Y10T29/53739; Y10T29/53796; Y10T29/53839; Y10T29/53909; Y10T29/53987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-07-15 | 1939-01-14 | 1939-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-15 | 1943-01-14 | 1943-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-15 | 1947-01-14 | 1947-07-16 | $7700.00 | Window Closed / Lapsed |