US3471982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soffit adapters
Assignee: CONRAD A STROZEWSKI
•
Filing: 1967-05-12
•
Granted: 1969-10-14
•
Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 Conrad A Strozewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:25
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1672914A
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US2230247A
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US2230248A
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US2330763A
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US2338191A
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US2802359A
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US2976971A
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GB985910A
Cited
US3332180A
Cited
US3334465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |