US2878667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete window frame and jalousie assembly
Assignee: Engineered Products Inc
•
Filing: 1953-10-07
•
Granted: 1959-03-24
•
Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert S Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:45
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US532483A
Cited
US2166870A
Cited
FR941586A
Cited
US2613405A
Cited
US2649629A
Cited
US2574344A
Cited
US2640233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |