US3040390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated door and window constructions
Assignee: Individual
•
Filing: 1960-06-22
•
Granted: 1962-06-26
•
Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 William H Carlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:38
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/06; E06B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1855470A
Cited
US2718291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |