US3529798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sign assembly
Assignee: Individual
•
Filing: 1967-08-30
•
Granted: 1970-09-22
•
Expires: 1987-08-30
Abstract
No abstract record available.
Inventors
- 👤 Donald C Williams
- 👤 Richard G Growe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:57
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/18; G09F2007/1804; G09F2007/1817; G09F2007/1847
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) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |