US2949656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Form for window and door lintels and the like
Assignee: Individual
•
Filing: 1956-02-06
•
Granted: 1960-08-23
•
Expires: 1976-02-06
Abstract
No abstract record available.
Inventors
- 👤 Max G Pleitgen
- 👤 Ernst M Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:50
CPC Classifications
E; E04; E04G; E04G13/00; E04G13/04; E04C; E04C3/00; E04C3/02; E04C2003/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1462934A
Cited
US1863549A
Cited
US1881971A
Cited
US2306722A
Cited
FR1015502A
Cited
FR1010529A
Cited
US2761475A
Cited
US2704876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |