US2996161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal door frame construction
Assignee: WEATHER SEAL Inc
•
Filing: 1957-10-28
•
Granted: 1961-08-15
•
Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Harold A Etling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:45
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/96; E06B3/70; E06B3/72; E06B3/725; E06B3/726
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2726745A
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US2850126A
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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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |