US3388809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage rack
Assignee: Unistrut Corp
•
Filing: 1966-06-15
•
Granted: 1968-06-18
•
Expires: 1986-06-15
Abstract
No abstract record available.
Inventors
- 👤 Irish Elwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:18
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/19; A47F7/24; A47B; A47B61/00; A47B61/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US349938A
Cited
US1410740A
Cited
US1801993A
Cited
US2345650A
Cited
US2784812A
Cited
FR1273980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |