US3221678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf structure
Assignee: Queen Manufacturing Co Inc
•
Filing: 1963-06-25
•
Granted: 1965-12-07
•
Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Donald W Doherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:40
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/06; A47B57/26; A47B96/00; A47B96/14; A47B96/1425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US586295A
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GB483866A
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US2991040A
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US3033627A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |