Patent US3326534A successfully refreshed from Google Patents.
US3326534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stirring devices
Assignee: Minister Of Aviation Uk Government
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Filing: 1964-11-09
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Granted: 1967-06-20
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Alexander William Harrow Pryde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:57
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/051; B01F27/053; B01F27/0531
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A STIRRING DEVICE WHICH COMPRISES A REINFORCING SHAFT TO WHICH A DRIVING FORCE CAN BE DIRECTLY APPLIED, A GLASS SHEATH SPACED FROM THE REINFORCING SHAFT AND ENCLOSING AT LEAST THAT PART OF THE REINFORCING SHAFT WHICH IN USE IS IN CONTACT WITH THE MATERIAL BEING STIRRED BY THE DEVICE, AT LEAST ONE EXTENSION FROM THE GLASS SHEATH AWAY FROM THE LINE OF THE SHAFT CAPABLE OF STIRRING THE MATERIAL WHEN THE SHAFT IS DRIVEN, AND A SOLID INTEGRAL FILLER OCCUPYING THE SPACE BETWEEN AND ADHERING TO BOTH THE GLASS
Claim 2
Dependent Claim
89 words
A STIRRING DEVICE WHICH COMPRISES A REINFORCING SHAFT TO WHICH A DRIVING FORCE CAN BE DIRECTLY APPLIED, A GLASS SHEATH SPACED FROM THE REINFORCING SHAFT AND ENCLOSING AT LEAST THAT PART OF THE REINFORCING SHAFT WHICH IN USE IS IN CONTACT WITH THE MATERIAL BEING STIRRED BY THE DEVICE, AT LEAST ONE EXTENSION FROM THE GLASS SHEATH AWAY FROM THE LINE OF THE SHAFT CAPABLE OF STIRRING THE MATERIAL WHEN THE SHAFT IS DRIVEN, AND A SOLID INTEGRAL FILLER OCCUPYING THE SPACE BETWEEN AND ADHERING TO BOTH THE GLASS
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |