US3184780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning tool
Assignee: Whirlpool Corp
•
Filing: 1961-11-13
•
Granted: 1965-05-25
•
Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 James R Hageman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:38
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/08; A47L13/00; A47L13/10; A47L13/20; A47L13/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CLEANING TOOL COMPRISING, AN ELONGATED MAIN BODY PORTION HAVING A PUMPING CHAMBER FORMED THEREIN INCLUDING CHECK VALVES AND AN ELASTIC WALL PORTION, MEANS TO FLEX SAID ELASTIC WALL PORTION TO DEVELOP A PUMPING ACTION, SAID MAIN BODY PORTION HAVING A PASSAGE FOR RECEIVING THE FLUID DISCHARGE BY SAID PUMPING ACTION AND FORMING A RESERVOIR FOR FLUID IN SAID TOOL, SAID BODY PORTION HAVING A WASHER HEAD AT THE END OF SAID PASSAGE, SAID WASHER HEAD HAVING A RECESS FORMED THEREIN, A PLATE MEMBER HAVING A CENTRALLY DISPOSED PASSAGE FORMED THEREIN AND EXTENDING ACROSS THE BOTTOM OF SAID RECESS,
Claim 2
Dependent Claim
99 words
A CLEANING TOOL COMPRISING, AN ELONGATED MAIN BODY PORTION HAVING A PUMPING CHAMBER FORMED THEREIN INCLUDING CHECK VALVES AND AN ELASTIC WALL PORTION, MEANS TO FLEX SAID ELASTIC WALL PORTION TO DEVELOP A PUMPING ACTION, SAID MAIN BODY PORTION HAVING A PASSAGE FOR RECEIVING THE FLUID DISCHARGE BY SAID PUMPING ACTION AND FORMING A RESERVOIR FOR FLUID IN SAID TOOL, SAID BODY PORTION HAVING A WASHER HEAD AT THE END OF SAID PASSAGE, SAID WASHER HEAD HAVING A RECESS FORMED THEREIN, A PLATE MEMBER HAVING A CENTRALLY DISPOSED PASSAGE FORMED THEREIN AND EXTENDING ACROSS THE BOTTOM OF SAID RECESS,
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |