US2981987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jalousies and weather sealing means therefor
Assignee: Individual
•
Filing: 1954-07-07
•
Granted: 1961-05-02
•
Expires: 1974-07-07
Abstract
No abstract record available.
Inventors
- 👤 Walter H Schwab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US921854A
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US2345273A
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US2565447A
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US2530708A
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US2649629A
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US2607585A
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US2654921A
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US2766494A
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US2716786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |