Patent US3251399A successfully refreshed from Google Patents.
US3251399A
Expired / Lapsed
US
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Window cover acting as storm window
Assignee: Individual
•
Filing: 1963-12-26
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Granted: 1966-05-17
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Grossman Manny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/28; E06B3/285; Y; Y10; Y10S; Y10S52/00; Y10S52/13; Y10T; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US328064A
Cited
US1011940A
Cited
US1657506A
Cited
US1744177A
Cited
US2139156A
Cited
US2298783A
Cited
US2391871A
Cited
FR1273849A
Cited
GB944994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |