US2744044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminar product and method of making the same
Assignee: Midland Chemical Corp
•
Filing: 1953-06-18
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Granted: 1956-05-01
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Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:56
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31765; Y10T428/31786; Y10T428/3179; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/60; Y10T442/69; Y10T442/692; Y10T442/695
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A THIN, COMPRESSED LAMINAR STRUCTURE FOR USE AS BUILDING MATERIAL AND THE LIKE, CONSISTING OF A TOP STRATUM HAVING A DECORATIVE EXPOSED SURFACE AND LOCKED, BY AN INITIALLY LIQUID BLEND OF A REACTIVE RESINOUS CONDENSATION PRODUCT OF A POLYHYDRIC ALCOHOL AND A POLYCARBOXYLIC ACID WITH FROM 5 TO 50 PARTS BY WEIGHT OF A VINYL-SUBSTITUTED HETEROCYCLIC TERTIARY AMINE PER 100 PARTS OF THE CONDENSATION PRODUCT, TO A REINFORCING AND SUPPORTING STRATUM OF
Claim 2
Dependent Claim
72 words
A THIN, COMPRESSED LAMINAR STRUCTURE FOR USE AS BUILDING MATERIAL AND THE LIKE, CONSISTING OF A TOP STRATUM HAVING A DECORATIVE EXPOSED SURFACE AND LOCKED, BY AN INITIALLY LIQUID BLEND OF A REACTIVE RESINOUS CONDENSATION PRODUCT OF A POLYHYDRIC ALCOHOL AND A POLYCARBOXYLIC ACID WITH FROM 5 TO 50 PARTS BY WEIGHT OF A VINYL-SUBSTITUTED HETEROCYCLIC TERTIARY AMINE PER 100 PARTS OF THE CONDENSATION PRODUCT, TO A REINFORCING AND SUPPORTING STRATUM OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |