US3527283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upward acting door
Assignee: Celotex Corp
•
Filing: 1968-10-29
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Granted: 1970-09-08
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Expires: 1988-10-29
Abstract
No abstract record available.
Inventors
- 👤 Rollo R Butler
- 👤 Allen J Olsen
- 👤 Andrew C Pantaleo
- 👤 Melvin H Rosenblatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/485; E05; E05D; E05D15/00; E05D15/16; E05D15/24; E05D15/242; E05D1/00; E05D1/02; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10S; Y10S16/00; Y10S16/13
Claims Analysis
Total Claims: 0
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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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |