US2836863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel structures
Assignee: Individual
•
Filing: 1953-04-13
•
Granted: 1958-06-03
•
Expires: 1973-04-13
Abstract
No abstract record available.
Inventors
- 👤 Charles T Denker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:08
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/04; B27D1/06; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/12; E04C2/14; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24281; Y10T428/24289; Y10T428/24322; Y10T428/24331; Y10T428/24339; Y10T428/24347; Y10T428/31504; Y10T428/31678; Y10T428/31703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US488809A
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US886813A
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US1456599A
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US1659539A
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US2011130A
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US1915221A
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US2089550A
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US2329366A
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US2372929A
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US2401281A
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US2427879A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |