Patent US3319939A successfully refreshed from Google Patents.
US3319939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable beater assembly
Assignee: Dynamics Corp of America
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Filing: 1965-10-21
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Granted: 1967-05-16
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Rogenski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:34
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/0705; A47J43/0711
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A ROTATABLE BEATER DEVICE COMPRISING, A SHAFT TERMINATING AT ONE END THEREOF IN AN OFFSET FACE, SAID FACE BEING SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID SHAFT, SAID SHAFT FORMING A SHOULDER ADJACENT TO SAID FACE, A GROOVE IN SAID SHAFT ADJACENT SAID SHOULDER AND TERMINATING AT SAID FACE, A SEMI-RIGID HUB HAVING A CENTRAL RECESS SUBSTANTIALLY MATING WITH SAID ONE END OF SAID SHAFT, A BEATER, AND MEANS FOR SECURING SAID BEATER TO SAID HUB.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |