US3336768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machines
Assignee: Senkingwerk GmbH KG
•
Filing: 1965-06-23
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Granted: 1967-08-22
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Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 Kleefisch Peter Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:11
CPC Classifications
D; D06; D06F; D06F31/00; D06F31/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN A WASHING MACHINE, A ROTARY WASHING DRUM HAVING OPEN ENDS, AND BAFFLE MEANS WITHIN THE DRUM DEFINING INDIVIDUAL TREATMENT ZONES, SAID BAFFLE MEANS COMPRISING, HOLLOW RINGS EACH BEING FORMED WITH OPENINGS SUCH THAT LIQUID IN A GIVEN ZONE IS RETURNED TO THAT ZONE THROUGH THE OPENINGS IF THE LIQUID IS CARRIED INTO THE HOLLOW RING DOWNSTREAM OF THAT ZONE.
Claim 2
Dependent Claim
60 words
IN A WASHING MACHINE, A ROTARY WASHING DRUM HAVING OPEN ENDS, AND BAFFLE MEANS WITHIN THE DRUM DEFINING INDIVIDUAL TREATMENT ZONES, SAID BAFFLE MEANS COMPRISING, HOLLOW RINGS EACH BEING FORMED WITH OPENINGS SUCH THAT LIQUID IN A GIVEN ZONE IS RETURNED TO THAT ZONE THROUGH THE OPENINGS IF THE LIQUID IS CARRIED INTO THE HOLLOW RING DOWNSTREAM OF THAT ZONE.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |