US3028910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft hook and mounting for vertical blinds
Assignee: EDGAR K ORR
•
Filing: 1957-12-09
•
Granted: 1962-04-10
•
Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Edward O Bopp
- 👤 Ernest F Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:18
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/36; E06B9/367; E06B9/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US956298A
Cited
US1783378A
Cited
US2625219A
Cited
US2869636A
Cited
US2809531A
Cited
US2848045A
Cited
US2809693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |