US2728681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for surfacing walls, ceilings and the like
Assignee: Individual
•
Filing: 1952-11-25
•
Granted: 1955-12-27
•
Expires: 1972-11-25
Abstract
No abstract record available.
Inventors
- 👤 Clipson Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:52
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B2103/00; C04B2103/30; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A COMPOSITION FOR COATING SURFACES BY SPRAYING, COMPRISING A MIXTURE OF FROM 5 TO 8 VOLUMES OF DRY EXFOLIATED VERMICULITE; 2.5 VOLUMES OF A LIME SLUDGE CONTAINING 40% MOISTURE; APPROXIMATELY 1.5 VOLUMES OF PORTLAND CEMENT, AND 3 VOLUMES OF WATER.
Claim 2
Dependent Claim
40 words
A COMPOSITION FOR COATING SURFACES BY SPRAYING, COMPRISING A MIXTURE OF FROM 5 TO 8 VOLUMES OF DRY EXFOLIATED VERMICULITE; 2.5 VOLUMES OF A LIME SLUDGE CONTAINING 40% MOISTURE; APPROXIMATELY 1.5 VOLUMES OF PORTLAND CEMENT, AND 3 VOLUMES OF WATER.
References Cited (Backward Citations)
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Cited
US1257488A
Cited
US1688542A
Cited
US2043249A
Cited
US2083961A
Cited
US2296453A
Cited
US2400341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |