US3415028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel joint structure
Assignee: WINNEHAGO IND Inc
•
Filing: 1966-11-30
•
Granted: 1968-12-10
•
Expires: 1986-11-30
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Nerem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:08
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/6116; E04B1/612; E04B1/6145; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US915294A
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US2323936A
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US2339220A
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US2612243A
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US2757116A
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US2817620A
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US2872710A
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US3147336A
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US3271056A
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US3322879A
Cited
US3336709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |