US2773679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: BIRTMAN ELECTRIC Co
•
Filing: 1954-05-03
•
Granted: 1956-12-11
•
Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Miller Marion Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:06
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; A47J43/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2048455A
Cited
US2293959A
Cited
US2568774A
Cited
US2586841A
Cited
US2515755A
Cited
US2566907A
Cited
US2605085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |