US2826801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inner right angle corner forming unit for a concrete wall form
Assignee: General Electric Co
•
Filing: 1955-07-05
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Granted: 1958-03-18
•
Expires: 1975-07-05
Abstract
No abstract record available.
Inventors
- 👤 John E Imonetti
- 👤 Vernon R Schimmel
- 👤 John G Symons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:30
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US853955A
Cited
US1142887A
Cited
US1652480A
Cited
US2296036A
Cited
US2650411A
Cited
US2702422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |