US3473671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display board apparatus
Assignee: Individual
•
Filing: 1967-05-01
•
Granted: 1969-10-21
•
Expires: 1987-05-01
Abstract
No abstract record available.
Inventors
- 👤 James Gangitano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:44
CPC Classifications
A; A47; A47F; A47F7/00; A47F7/16; A47F7/163; A47B; A47B97/00; A47B97/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US860634A
Cited
US983007A
Cited
US1641397A
Cited
US1862988A
Cited
US1880165A
Cited
US2810612A
Cited
GB843929A
Cited
US3266688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |