US2801614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined handle and key for a percussive drill
Assignee: Phillips Drill Co Inc
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Filing: 1955-09-21
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Granted: 1957-08-06
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Expires: 1975-09-21
Abstract
No abstract record available.
Inventors
- 👤 Richard E Dieterich
- 👤 Frank A Werstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:10
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/06; B23B2260/00; B23B2260/078; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T279/17085; Y10T279/17111; Y10T279/17957; Y10T279/17965; Y10T279/34; Y10T279/3431; Y10T279/3451; Y10T279/3481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |