US2811906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a floor or surface covering
Assignee: Individual
•
Filing: 1955-02-21
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Granted: 1957-11-05
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Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Clifford P Chappell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:19
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29D; B29D99/00; B29D99/0057; D; D06; D06N; D06N3/00; D06N3/04; D06N3/10; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3017; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
THE METHOD OF FORMING A SURFACE COVERING OVER A BASED OF EDGE ABUTTING BLOCKS WHICH INCLUDES WATER-PROOFING THE LOWER SIDES OF SAID BLOCKS, OVERLAYING THE BLOCKS WITH A COVERING FORMED OF LOOSELY WOVEN FIBROUS MATERIAL, IMPRAGNATING THE COVERING WITH A BINDER, AND COATING THE IMPREGNATED COVERING WITH A COMPOSITION COATING FORMED OF INTEGRATED COMPRESSED GROUND RUBBER AND ROSIN AND APPLIED TO PROVIDE A SEMI-RIGID SURFACE.
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |