US3306411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing machine system or the like
Assignee: Robertshaw Controls Co
•
Filing: 1965-05-28
•
Granted: 1967-02-28
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald C Pridham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:59
CPC Classifications
D; D06; D06F; D06F33/00; D06F33/04; D06F33/10; D06F37/00; D06F37/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN A WASHING MACHINE OR THE LIKE HAVING A DOOR FOR ACCESS TO A WASHING COMPARTMENT AND HAVING A MOTOR FOR SPINNING SAID COMPARTMENT, THE IMPROVEMENT COMPRISING PNEUMATICALLY OPERATED ACTUATING MEANS FOR CAUSING SAID MOTOR TO SPIN SAID COMPARTMENT WHEN A PNEUMATIC SIGNAL IS DIRECTED TO SAID ACTUATING MEANS, A PNEUMATIC SOURCE, PASSAGE MEANS FOR INTERCONNECTING SAID SOURCE TO
Claim 2
Dependent Claim
59 words
IN A WASHING MACHINE OR THE LIKE HAVING A DOOR FOR ACCESS TO A WASHING COMPARTMENT AND HAVING A MOTOR FOR SPINNING SAID COMPARTMENT, THE IMPROVEMENT COMPRISING PNEUMATICALLY OPERATED ACTUATING MEANS FOR CAUSING SAID MOTOR TO SPIN SAID COMPARTMENT WHEN A PNEUMATIC SIGNAL IS DIRECTED TO SAID ACTUATING MEANS, A PNEUMATIC SOURCE, PASSAGE MEANS FOR INTERCONNECTING SAID SOURCE TO
References Cited (Backward Citations)
US2884953A
Cited
US2986910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |