US3496675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interior shutter type blind construction
Assignee: OLLIE M SHELLMAN
•
Filing: 1968-04-10
•
Granted: 1970-02-24
•
Expires: 1988-04-10
Abstract
No abstract record available.
Inventors
- 👤 Kenneth S Shellman Sr
- 👤 Ollie M Shellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:08
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US882778A
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US1462343A
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US1568545A
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US2322733A
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US2308262A
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US2322590A
Cited
US2549167A
Cited
US2635523A
Cited
US2807992A
Cited
US2976795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |