US3338013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated panel construction
Assignee: Polyfoam Products Inc
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Filing: 1965-02-26
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Granted: 1967-08-29
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Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 John R Graham
- 👤 Walter K Malek
- 👤 Robert H Comp
- 👤 Alvin J Mielke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:18
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; E06B3/70; E06B3/7015; E06B2003/7023; E06B2003/7044; E06B2003/7094
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
AN OVERHEAD GARAGE DOOR OF THE TYPE WHICH IS WIDER THAN THE COMBINED WIDTHS OF TWO AUTOMOBILES; AND THE TYPE HAVING PLURAL PANELS EACH EXTENDING THE FULL WIDTH OF THE DOOR, EACH OF SAID PANELS HAVING: AN INSULATING AND REINFORCING CORE OF FOAMED POLYSTYRENE, A FRAME SURROUNDING WHILE AT LEAST PARTIALLY SPACED FROM SAID CORE, A PAIR OF HARDBOARD FACING SHEETS RESPECTIVELY COVERING FRONT AND REAR FACES OF SAID CORE AND OF SAID FRAME ALSO,
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |