US2955642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming laminated objects
Assignee: Horsey Robson and Co Inc
•
Filing: 1954-08-09
•
Granted: 1960-10-11
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Richard J Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:23
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/24; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24438
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF LAMINATING AND REINFORCING A STRUCTURAL BASE WHICH COMPRISES IMPREGNATING AND COATING A NORMALLY STIFF SHEET OF FABRIC WITH A PENETRATING SOLUTION UNTIL SAID SHEET BECOMES LIMP, APPLYING SAID LIMP SHEET TO SAID STRUCTURE BASE, AND DRYING SAID FABRIC TO HARDNESS IN SITU, SAID SHEET OF FABRIC BEING INITALLY IMPREGANATED WITH A NITROCELLULOSE-COLLOIDAL CLAY COMPOSITION, AND SAID PENETRATING SOLUTION COMPRISING AN ALKYD RESIN COMPATIBLE WITH SAID NITROCELLULOSE-COLLOIDAL CLAY IMPREGNATED FABRIC.
Claim 2
Independent Claim
72 words
THE METHOD OF LAMINATING AND REINFORCING A STRUCTURAL BASE WHICH COMPRISES IMPREGNATING AND COATING A NORMALLY STIFF SHEET OF FABRIC WITH A PENETRATING SOLUTION UNTIL SAID SHEET BECOMES LIMP, APPLYING SAID LIMP SHEET TO SAID STRUCTURE BASE, AND DRYING SAID FABRIC TO HARDNESS IN SITU, SAID SHEET OF FABRIC BEING INITALLY IMPREGANATED WITH A NITROCELLULOSE-COLLOIDAL CLAY COMPOSITION, AND SAID PENETRATING SOLUTION COMPRISING AN ALKYD RESIN COMPATIBLE WITH SAID NITROCELLULOSE-COLLOIDAL CLAY IMPREGNATED FABRIC.
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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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |