US3170199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractile stadium seat
Assignee: Individual
•
Filing: 1961-11-09
•
Granted: 1965-02-23
•
Expires: 1981-11-09
Abstract
No abstract record available.
Inventors
- 👤 James H Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:02
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1369633A
Cited
US2706835A
Cited
US2765024A
Cited
US2813747A
Cited
US2990587A
Cited
US3025106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |