US3482874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stadium bench
Assignee: North American Aluminum Corp
•
Filing: 1968-03-13
•
Granted: 1969-12-09
•
Expires: 1988-03-13
Abstract
No abstract record available.
Inventors
- 👤 John P Henebry
- 👤 Earl E Stineback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:54
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/16; A47C11/00; A47C5/00; A47C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2703603A
Cited
US2985924A
Cited
US3012818A
Cited
US3006689A
Cited
US3072434A
Cited
US3077364A
Cited
US3093096A
Cited
US3213570A
Cited
US3310343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |