US3389947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flip-top folding voting booth
Assignee: GLENN C UNDERWOOD
•
Filing: 1967-01-04
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Granted: 1968-06-25
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Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Kelley
- 👤 Glenn C Underwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:37
CPC Classifications
E; E04; E04H; E04H1/00; E04H1/12; E04H1/125; E04H1/1255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |