US2843201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible door
Assignee: Individual
•
Filing: 1955-11-28
•
Granted: 1958-07-15
•
Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Omer J Laubenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:40
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/80; Y; Y10; Y10S; Y10S160/00; Y10S160/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US205812A
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US563738A
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US1634312A
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US1804326A
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US2122532A
Cited
US2298783A
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US2621725A
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US2720920A
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US2758646A
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US2760567A
Cited
US2778417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |