US3335645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow and ice covering
Assignee: Individual
•
Filing: 1965-01-12
•
Granted: 1967-08-15
•
Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 Isidor K Eisenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:11
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/02; A47G27/0243; A47G27/0281; A47G27/0206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A CARPET FOR COVERING SNOW- AND ICE-COVERED WALKWAYS OR STAIRWAYS TO PROVIDE TRACTION FOR PEDESTRIAN TRAFFIC, SAID CARPET COMPRISING FABRIC HAVING A COARSE FIBER TEXTURE, AND WAX IMPREGNATED IN SAID FABRIC AND SUBSTANTIALLY ADHERENT TO THE FIBER THEREOF, SAID WAX BEING BRITTLE AT TEMPERATURES OF LESS THAN APPROXIMATELY 35*F. AND SUBSTANTIALLY MAINTAINING SAID ADHERENCY TO SAID FIBERS WHEN CRUSHED, AND WHEREIN A GRITTY SUBSTANCE IS INCORPORATED IN SAID WAX.
Claim 2
Dependent Claim
69 words
A CARPET FOR COVERING SNOW- AND ICE-COVERED WALKWAYS OR STAIRWAYS TO PROVIDE TRACTION FOR PEDESTRIAN TRAFFIC, SAID CARPET COMPRISING FABRIC HAVING A COARSE FIBER TEXTURE, AND WAX IMPREGNATED IN SAID FABRIC AND SUBSTANTIALLY ADHERENT TO THE FIBER THEREOF, SAID WAX BEING BRITTLE AT TEMPERATURES OF LESS THAN APPROXIMATELY 35*F. AND SUBSTANTIALLY MAINTAINING SAID ADHERENCY TO SAID FIBERS WHEN CRUSHED, AND WHEREIN A GRITTY SUBSTANCE IS INCORPORATED IN SAID WAX.
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) | 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 |