US2907240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated, rotary impact-type hand tool
Assignee: Robert Bosch GmbH
•
Filing: 1958-01-20
•
Granted: 1959-10-06
•
Expires: 1978-01-20
Abstract
No abstract record available.
Inventors
- 👤 Schwenk Willy
- 👤 Bayer Erich
- 👤 Hagemann Carl
- 👤 Haberle Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:15
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B21/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2261204A
Cited
US2533703A
Cited
US2691434A
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US2662434A
Cited
US2784625A
Cited
US2821276A
Cited
US2822677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |