Patent US3137878A successfully refreshed from Google Patents.
US3137878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mop and adjustable handle assembly for mops and the like
Assignee: Individual
•
Filing: 1962-09-11
•
Granted: 1964-06-23
•
Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Richards William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:03
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32271
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
IN A MOP, MOP HEAD MEANS, A HANDLE PIVOTED TO THE MOP HEAD MEANS, A LOCKING ROD ARRANGED IN SPACED RELATION TO SAID HANDLE AND EXTENDING GENERALLY LONGITUDINALLY THEREOF, LOCKING DETENT MEANS ON SAID HANDLE ENGAGEABLE WITH SAID LOCKING ROD IN SELECTED ADJUSTED POSITIONS OF THE LATTER TO POSITION THE MOP HEAD MEANS AT VARIOUS ANGLES TO SAID HANDLE, AN OPERATOR MEMBER SLIDABLY AND ROTATABLY MOUNTED UPON SAID HANDLE AND CONNECTED WITH THE LOCKING ROD AND OPERABLE TO POSITION THE LATTER RELATIVE TO SAID DETENT MEANS, AND A SPRING CONNECTED WITH SAID LOCKING ROD AND URGING IT TOWARD ENGAGEMENT WITH SAID DETENT MEANS AND HAVING A PART PIVOTED TO THE MOP HEAD MEANS, SAID LOCKING ROD PIVOTALLY MOUNTED UPON SAID PART OF THE SPRING PIVOTED TO THE MOP HEAD MEANS.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |