US2907383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic rollaway door
Assignee: Haskelite Manufacturing Corp
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Filing: 1956-04-23
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Granted: 1959-10-06
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Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 George E Kloote
- 👤 Joseph A Potchen
- 👤 George D Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:17
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A DOOR CONSTRUCTION COMPRISING A PLURALITY OF SEPARATE PANELS, EACH OF SAID PANELS HAVING A RIGID, LOW DENSITY CORE OF EXPANDED, CELLULAR POLYSTYRENE OF A DENSITY OF TWO TO FOUR POUNDS PER CUBIC FOOT, A RIGID, PUNCTURE RESISTANT LAMINA ADHESIVELY BONDED TO EACH SIDE SURFACE OF SAID CORE AND A FACING SHEET HAVING A THICKNESS OF 0.018 TO 0.40 OF AN INCH BONDED TO EACH FACE OF SAID LAMINA, SAID FACING SHEETS BEING OF A DENSE POLYESTER
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |