US2996769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable weatherstripping for thresholds
Assignee: Individual
•
Filing: 1955-08-08
•
Granted: 1961-08-22
•
Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 Albert A Kunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:41
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/18; E06B7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US476646A
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US630216A
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US652489A
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US746910A
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US1460312A
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US1649070A
Cited
CH182911A
Cited
GB470989A
Cited
DE753868C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |