US3066919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete mixer
Assignee: Individual
•
Filing: 1959-11-04
•
Granted: 1962-12-04
•
Expires: 1979-11-04
Abstract
No abstract record available.
Inventors
- 👤 Waimer Eberhard
- 👤 Riker Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:06
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/10; B28C5/12; B28C5/16; B28C5/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1184339A
Cited
US1363560A
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US2049866A
Cited
US2284765A
Cited
US2306422A
Cited
GB675393A
Cited
US2727696A
Cited
FR1014756A
Cited
US2717147A
Cited
FR1222527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |