US2962405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated sheet material
Assignee: Individual
•
Filing: 1956-05-07
•
Granted: 1960-11-29
•
Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Morthland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:05
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/28; A47K3/40; D; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31634; Y10T428/31641; Y10T428/31815; Y10T428/31819; Y10T428/31823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A FLEXIBEL PAPER LAMINATE SUFFICIENTLY FLEXIBLE TO BE FORMED INTO A SHOWER PAN, WHICH COMPRISES EIGHT SHEETS OF PAPER CEMENTED TOGETHER BY SEVEN INTERMEDIATE LAYERS OF ASPHALT, SOME OF SAID ASPHALT LAYERS INCLUDING A MAT OF GLASS FIBERS BONDED TOGETHER BY SAID ASPHALT, EACH OF SAID ASPHALT BONDED MATS BEING ADHESIVELY HELD BY SAID ASPHALT TO TWO SHEETS OF PAPER TO ORM A LAMINATED SHEET COMPOSED OF THE ASPHALT, GLASS FIBERS AND PAPER HEETS A MAJORITY OF THE INTERMEDIATE SHEETS OF SAID LAMINATE BEING IMPREGNATED WITH AN OIL COMPOSITION CONSISTING ESSENTIALLY OF A MEMBER OF THE GROUP CONSISTING OF A GAS OIL AND A LUBRICATING OIL FRACTION, AND A MINOR BUT SUBSTANTIAL PROPORTION OF POLYBUTYLENES, SAID COMPOSITION COMBINING WITH SAID ASPHALT TO IMPART THE DESIRED DEGREE OF FLEXIBILITY TO SAID PAPER LAMINATE, SAID OIL COMPOSITION INCLUDING ABOUT 2% BY WEIGHT OF PENTACHOROPHENOL, THE POLYBUTYLENES BEING PRESENT IN A PROPORTION OF ABOUT 10% BY WEIGHT OF SAID OIL COMPOSITION, SAID POLYBUTYLENES HAVING A MOLECULAR WEIGHT OF BETWEEN ABOUT 10,000 AND ABOUT 12,000, THERE BEING THREE ASPHALT BONDING LAYERS INCLUDING SAID GLASS FIBERS.
Claim 2
Dependent Claim
181 words
A FLEXIBEL PAPER LAMINATE SUFFICIENTLY FLEXIBLE TO BE FORMED INTO A SHOWER PAN, WHICH COMPRISES EIGHT SHEETS OF PAPER CEMENTED TOGETHER BY SEVEN INTERMEDIATE LAYERS OF ASPHALT, SOME OF SAID ASPHALT LAYERS INCLUDING A MAT OF GLASS FIBERS BONDED TOGETHER BY SAID ASPHALT, EACH OF SAID ASPHALT BONDED MATS BEING ADHESIVELY HELD BY SAID ASPHALT TO TWO SHEETS OF PAPER TO ORM A LAMINATED SHEET COMPOSED OF THE ASPHALT, GLASS FIBERS AND PAPER HEETS A MAJORITY OF THE INTERMEDIATE SHEETS OF SAID LAMINATE BEING IMPREGNATED WITH AN OIL COMPOSITION CONSISTING ESSENTIALLY OF A MEMBER OF THE GROUP CONSISTING OF A GAS OIL AND A LUBRICATING OIL FRACTION, AND A MINOR BUT SUBSTANTIAL PROPORTION OF POLYBUTYLENES, SAID COMPOSITION COMBINING WITH SAID ASPHALT TO IMPART THE DESIRED DEGREE OF FLEXIBILITY TO SAID PAPER LAMINATE, SAID OIL COMPOSITION INCLUDING ABOUT 2% BY WEIGHT OF PENTACHOROPHENOL, THE POLYBUTYLENES BEING PRESENT IN A PROPORTION OF ABOUT 10% BY WEIGHT OF SAID OIL COMPOSITION, SAID POLYBUTYLENES HAVING A MOLECULAR WEIGHT OF BETWEEN ABOUT 10,000 AND ABOUT 12,000, THERE BEING THREE ASPHALT BONDING LAYERS INCLUDING SAID GLASS FIBERS.
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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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |