US2182852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-roof roof light and the like
Assignee: Individual
•
Filing: 1936-01-31
•
Granted: 1939-12-12
•
Expires: 1956-01-31
Abstract
No abstract record available.
Inventors
- 👤 Mulford Logan Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:50
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/02; E04D3/06; E04D3/08; E04D13/00; E04D13/03; E04D2003/0887; Y; Y10; Y10S; Y10S52/00; Y10S52/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-12-11 | 1943-06-12 | 1943-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-11 | 1947-06-12 | 1947-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-11 | 1951-06-12 | 1951-12-12 | $7700.00 | Window Closed / Lapsed |