US3035548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated percussion devices
Assignee: INGENIEURBURO DIPL ING FRIEDRICH HEINRICH FLOTTMANN
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Filing: 1959-11-24
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Granted: 1962-05-22
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Expires: 1979-11-24
Abstract
No abstract record available.
Inventors
- 👤 Wittlich Norbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:24
CPC Classifications
F; F16; F16H; F16H43/00; B; B06; B06B; B06B1/00; B06B1/18; B06B1/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1520728A
Cited
GB257535A
Cited
US1897595A
Cited
US1952690A
Cited
US2298457A
Cited
US2372945A
Cited
FR992359A
Cited
US2480527A
Cited
US2698517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |