Patent US2516342A successfully refreshed from Google Patents.
US2516342A
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Insulating finishing cements
Assignee: Individual
•
Filing: 1948-09-11
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Granted: 1950-07-25
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Expires: 1968-09-11
Abstract
No abstract record available.
Inventors
- 👤 Merwyn C Randall
- 👤 George S Gethen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:33
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B2111/00; C04B2111/00474; C04B2111/00482; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10S; Y10S106/00; Y10S106/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN INSULATING FINISHING CEMENT DRY MIX CONTAINING BY WEIGHT, 32-49% MINERAL FIBERS, 40-51% CEMENTITIOUS INGREDIENTS COMPRISING 40-80% FLY ASH AND THE BALANCE PORTLAND CEMENT, AND 9-20% BINDER COMPRISING 37-62% PREGELATINIZED STARCH AND THE BALANCE BENTONITE.
Claim 2
Dependent Claim
35 words
AN INSULATING FINISHING CEMENT DRY MIX CONTAINING BY WEIGHT, 32-49% MINERAL FIBERS, 40-51% CEMENTITIOUS INGREDIENTS COMPRISING 40-80% FLY ASH AND THE BALANCE PORTLAND CEMENT, AND 9-20% BINDER COMPRISING 37-62% PREGELATINIZED STARCH AND THE BALANCE BENTONITE.
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) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |