US3476422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Honeycomb core panel mounting and connecting system
Assignee: Individual
•
Filing: 1966-11-07
•
Granted: 1969-11-04
•
Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 James R Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:16
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/01; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/234; Y10T428/236; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1688980A
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US2465603A
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US2833003A
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US2986247A
Cited
US2967593A
Cited
US3008552A
Cited
US2957196A
Cited
US3024879A
Cited
US3212561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |