US2822583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building structures
Assignee: —
•
Filing: —
•
Granted: 1958-02-11
•
Expires: 1975-02-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:31
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE271392C
Cited
US475013A
Cited
US936551A
Cited
US1218530A
Cited
US1583836A
Cited
US1590700A
Cited
US1757955A
Cited
US1963274A
Cited
US2722179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |