Patent US2836863A successfully refreshed from Google Patents.
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 01:27
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US488809A
Cited
US1074404A
Cited
US379027A
Cited
US886813A
Cited
US1456599A
Cited
US1659539A
Cited
US2011130A
Cited
US1915221A
Cited
US2089550A
Cited
US2329366A
Cited
US2372929A
Cited
US2401281A
Cited
US2427879A
Cited
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 |