US2903249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timer-switch for mixer stand
Assignee: Knapp Monarch Co
•
Filing: 1955-06-20
•
Granted: 1959-09-08
•
Expires: 1975-06-20
Abstract
No abstract record available.
Inventors
- 👤 Robert S Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:38
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)
US1230826A
Cited
US2203672A
Cited
US2469932A
Cited
US2550281A
Cited
US2671191A
Cited
US2685625A
Cited
US2789798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |