US3529381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fenestration device incorporating linearly movable and tiltable sash
Assignee: PANASCOPE Inc
•
Filing: 1968-11-25
•
Granted: 1970-09-22
•
Expires: 1988-11-25
Abstract
No abstract record available.
Inventors
- 👤 Abraham Grossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1087202A
Cited
US2011319A
Cited
US2934799A
Cited
US3135014A
Cited
US3122797A
Cited
US3208111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |