US3409301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanded polyethylene dart board
Assignee: Individual
•
Filing: 1964-04-06
•
Granted: 1968-11-05
•
Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Charles E Studen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:44
CPC Classifications
F; F41; F41J; F41J3/00; F41J3/0009; F41J3/0061; F41J3/008; F41J3/009; F41J1/00; F41J1/01; F41J3/0095; Y; Y10; Y10S; Y10S273/00; Y10S273/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A DART BOARD COMPRISING A PANEL OF EXPANDED POLYETHYLENE, SAID PANEL INCLUDING A GENERALLY PLANAR SURFACE, AND INDICIA ON SAID SURFACE TO PROVIDE A MEANS FOR SCORING.
Claim 2
Dependent Claim
27 words
A DART BOARD COMPRISING A PANEL OF EXPANDED POLYETHYLENE, SAID PANEL INCLUDING A GENERALLY PLANAR SURFACE, AND INDICIA ON SAID SURFACE TO PROVIDE A MEANS FOR SCORING.
References Cited (Backward Citations)
US226760A
Cited
US2060405A
Cited
US2818259A
Cited
US3138382A
Cited
US3251600A
Cited
US3244417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |