US3335448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for floor-treatment
Assignee: Individual
•
Filing: 1964-08-18
•
Granted: 1967-08-15
•
Expires: 1984-08-18
Abstract
No abstract record available.
Inventors
- 👤 Knestele Leopold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:07
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/28; A47L13/30; A47L13/31; A47L13/312
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A DEVICE FOR FLOOR TREATMENT COMPRISING, IN COMBINATION: (A) AN ALONGATED HANDLE MEMBER; (B) A PLATE MEMBER SECURED TO A LONGITUDINAL END PORTION OF SAID HANDLE MEMBER AND FORMED WITH A PLURALITY OF SPACED OPENINGS THEREIN; (C) A TANK MOUNTED ON SAID DEVICE AND ADAPTED TO HOLD A BODY OF FUSIBLE FLOOR TREATING MATERIAL; (D) A RECIPROCATING PUMP FOR DRAWING AN ACCURATELY MEASURED AMOUNT OF FLOOR-TREATING MATERIAL CONTAINED IN SAID TANK INTO SAID PUMP DURING ONE STROKE OF THE PUMP MOVEMENT, AND FOR DISCHARGING AN ACCURATELY MEASURED AMOUNT OF SAID MATERIAL FROM SAID PUMP THROUGH SAID OPENINGS DURING THE OTHER STROKE OF SAID PUMP;
Claim 2
Independent Claim
104 words
A DEVICE FOR FLOOR TREATMENT COMPRISING, IN COMBINATION: (A) AN ALONGATED HANDLE MEMBER; (B) A PLATE MEMBER SECURED TO A LONGITUDINAL END PORTION OF SAID HANDLE MEMBER AND FORMED WITH A PLURALITY OF SPACED OPENINGS THEREIN; (C) A TANK MOUNTED ON SAID DEVICE AND ADAPTED TO HOLD A BODY OF FUSIBLE FLOOR TREATING MATERIAL; (D) A RECIPROCATING PUMP FOR DRAWING AN ACCURATELY MEASURED AMOUNT OF FLOOR-TREATING MATERIAL CONTAINED IN SAID TANK INTO SAID PUMP DURING ONE STROKE OF THE PUMP MOVEMENT, AND FOR DISCHARGING AN ACCURATELY MEASURED AMOUNT OF SAID MATERIAL FROM SAID PUMP THROUGH SAID OPENINGS DURING THE OTHER STROKE OF SAID PUMP;
References Cited (Backward Citations)
US1394662A
Cited
US1806004A
Cited
US1969036A
Cited
US2053282A
Cited
US2770828A
Cited
US2764774A
Cited
US3074100A
Cited
US3181196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |