US3103029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning structures
Assignee: Individual
•
Filing: 1961-09-14
•
Granted: 1963-09-10
•
Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 Fred G Valles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:16
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A CLEANING STRUCTURE WHICH INCLUDES: TWO RECTANGULAR PADS BEING FORMED OUT OF A RATION, EACH OF THESE PADS BEING FORMED OUT OF A FOAMED, ELASTOMERIC COMPOSITION, SAID PADS BEING LOCATED AGAINST ONE ANOTHEE SO AS THO HAVE ADJACENT ALIGNED SIDE EDGES; MEANS CONNECTING SAID SIDE EDGES OF SAID PADS SO AS TO INCREASE THE RIGIDITY OF SAID SIDE EDGES AS COMPARED TO THE RIGIDITY OF EITHER OF SAID PADS AND TO PROVIDE A FREE OPENING BETWEEN SAID PADS HAVING
Claim 2
Dependent Claim
79 words
A CLEANING STRUCTURE WHICH INCLUDES: TWO RECTANGULAR PADS BEING FORMED OUT OF A RATION, EACH OF THESE PADS BEING FORMED OUT OF A FOAMED, ELASTOMERIC COMPOSITION, SAID PADS BEING LOCATED AGAINST ONE ANOTHEE SO AS THO HAVE ADJACENT ALIGNED SIDE EDGES; MEANS CONNECTING SAID SIDE EDGES OF SAID PADS SO AS TO INCREASE THE RIGIDITY OF SAID SIDE EDGES AS COMPARED TO THE RIGIDITY OF EITHER OF SAID PADS AND TO PROVIDE A FREE OPENING BETWEEN SAID PADS HAVING
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |