US3427928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressed air-operated drive-in apparatus to drive-in fasteners
Assignee: Joh Friedrich Behrens AG
•
Filing: 1966-07-06
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Granted: 1969-02-18
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Expires: 1986-07-06
Abstract
No abstract record available.
Inventors
- 👤 Heinz Emil Bade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:51
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04; B25C1/041; B25C1/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3104395A
Cited
US3190187A
Cited
US3278102A
Cited
US3278103A
Cited
US3313213A
Cited
US3278104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |