US2968263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skylight
Assignee: Individual
•
Filing: 1955-03-09
•
Granted: 1961-01-17
•
Expires: 1975-03-09
Abstract
No abstract record available.
Inventors
- 👤 Sanford K Huston
- 👤 Thomas L Anderton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:14
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/03; E04D13/0305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US918876A
Cited
US1744450A
Cited
US1872868A
Cited
US2056024A
Cited
US2425060A
Cited
US2610593A
Cited
US2703060A
Cited
US2874653A
Cited
US2842073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |