Patent US2713014A successfully refreshed from Google Patents.
US2713014A
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US
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Composite laminated panel and method of its manufacture
Assignee: Individual
•
Filing: 1952-01-02
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Granted: 1955-07-12
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Expires: 1972-01-02
Abstract
No abstract record available.
Inventors
- 👤 Fred L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:47
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; B27D1/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1082; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE METHOD OF PRECOSSING A HARDBOARD PANEL OF THE TYPE WHEREIN ONE SIDE EMBODIES A HARD LAYER OF APPRECIABLE THICKNESS AND GREATER DENSITY THAN THE OTHER SIDE PRODUCED IN THE FORMATION OF THE PANEL, TO ELIMINATE WARPING STRESS, WHICH METHOD COMPRISES CUTTING AWAY THE SAID HARD LAYER TO THE FULL DEPTH OF THE THICKNESS THEREOF.
Claim 2
Independent Claim
55 words
THE METHOD OF PRECOSSING A HARDBOARD PANEL OF THE TYPE WHEREIN ONE SIDE EMBODIES A HARD LAYER OF APPRECIABLE THICKNESS AND GREATER DENSITY THAN THE OTHER SIDE PRODUCED IN THE FORMATION OF THE PANEL, TO ELIMINATE WARPING STRESS, WHICH METHOD COMPRISES CUTTING AWAY THE SAID HARD LAYER TO THE FULL DEPTH OF THE THICKNESS THEREOF.
References Cited (Backward Citations)
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Cited
US2248233A
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US2343740A
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US2363492A
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US2419614A
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US2635976A
Cited
US2541497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |