US3100978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machines
Assignee: Isaac Braithwaite and Son Engineers Ltd
•
Filing: 1961-08-15
•
Granted: 1963-08-20
•
Expires: 1981-08-15
Abstract
No abstract record available.
Inventors
- 👤 Howlett Edward John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:24
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; D06F37/36; D06F23/00; D06F37/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A WASHING MACHINE COMPRISING A LIQUID CONTAINER HAVING PARALLEL END WALLS, EACH WALL HAVING A LARGE OPENING THEREIN, A HINGED DOOR CARRIED BY EACH END WALL TO PROVIDE FLUID-TIGHT CLOSURES FOR SAID OPENINGS, A PERFORATED ROTATABLE DRUM WITH OPEN ENDS POSITIONED IN SAID CONTAINER IN AXIAL ALIGNMENT WITH SAID OPENINGS, TWO ENDLESS FLEXIBLE ELEMENTS IN THE FORM OF CLOSED LOOPS SUPPORTING SAID DRUM WHOLLY WITHIN THE AREAS DEFINED BY SAID LOOPS AND MEANS INCLUDING PULLEYS FOR CARRYING AND DRIVING THE FLEXIBLE ELEMENTS WITH THE DRUM SUPPORTED BY SAID ELEMENTS.
Claim 2
Dependent Claim
89 words
A WASHING MACHINE COMPRISING A LIQUID CONTAINER HAVING PARALLEL END WALLS, EACH WALL HAVING A LARGE OPENING THEREIN, A HINGED DOOR CARRIED BY EACH END WALL TO PROVIDE FLUID-TIGHT CLOSURES FOR SAID OPENINGS, A PERFORATED ROTATABLE DRUM WITH OPEN ENDS POSITIONED IN SAID CONTAINER IN AXIAL ALIGNMENT WITH SAID OPENINGS, TWO ENDLESS FLEXIBLE ELEMENTS IN THE FORM OF CLOSED LOOPS SUPPORTING SAID DRUM WHOLLY WITHIN THE AREAS DEFINED BY SAID LOOPS AND MEANS INCLUDING PULLEYS FOR CARRYING AND DRIVING THE FLEXIBLE ELEMENTS WITH THE DRUM SUPPORTED BY SAID ELEMENTS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |