US3244419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated dart board having impact sound of cork board
Assignee: MILBERN FOAM PRODUCTS CO
•
Filing: 1963-02-25
•
Granted: 1966-04-05
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Lerman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:18
CPC Classifications
F; F41; F41J; F41J3/00; F41J3/0009; F41J3/0061; F41J3/008; F41J3/009; F41J3/0095; Y; Y10; Y10S; Y10S273/00; Y10S273/05; Y10S273/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DART BOARD COMPRISING A PLURAL PLY CORRUGATED CARDBOARD SUPPORT MEMBER, INCLUDING AT LEAST ONE CORRUGATED PLY TO WHICH AN OUTER CARDBOARD PLY IN CONNECTED IN SUCH A MANNER THAT THE OUTER PLY EXTENDS ACROSS THE HOLLOW SPACES BETWEEN THE CORRUGATIONS OF THE CORRUGATED PLY SO AS TO FORM A TYMPAN-LIKE DART-RECEIVING SURFACE WHICH, WHEN STRUCK BY THE POINT OF A DART, PRODUCES A SOUND SIMILAR TO THAT OF A DART STRIKING A CORK DART BOARD, AND A RESILIENT FOAMED POLYURETHANE PAD SECURED TO SAID SUPPORT MEMBER IN FACEWISE ABUTMENT WITH SAID OUTER PLY WHEREBY A DART MUST PASS THROUGH SAID PAD BEFORE STRIKING SAID OUTER PLY, SAID PAD HAVING A TRANSVERSE WIDTH WHICH IS SLIGHTLY GREATER THAN THE LENGTH OF THE SHANK OF THE DART.
Claim 2
Dependent Claim
126 words
A DART BOARD COMPRISING A PLURAL PLY CORRUGATED CARDBOARD SUPPORT MEMBER, INCLUDING AT LEAST ONE CORRUGATED PLY TO WHICH AN OUTER CARDBOARD PLY IN CONNECTED IN SUCH A MANNER THAT THE OUTER PLY EXTENDS ACROSS THE HOLLOW SPACES BETWEEN THE CORRUGATIONS OF THE CORRUGATED PLY SO AS TO FORM A TYMPAN-LIKE DART-RECEIVING SURFACE WHICH, WHEN STRUCK BY THE POINT OF A DART, PRODUCES A SOUND SIMILAR TO THAT OF A DART STRIKING A CORK DART BOARD, AND A RESILIENT FOAMED POLYURETHANE PAD SECURED TO SAID SUPPORT MEMBER IN FACEWISE ABUTMENT WITH SAID OUTER PLY WHEREBY A DART MUST PASS THROUGH SAID PAD BEFORE STRIKING SAID OUTER PLY, SAID PAD HAVING A TRANSVERSE WIDTH WHICH IS SLIGHTLY GREATER THAN THE LENGTH OF THE SHANK OF THE DART.
References Cited (Backward Citations)
GB501457A
Cited
GB503922A
Cited
GB506345A
Cited
GB704144A
Cited
US2818258A
Cited
US2818259A
Cited
GB810213A
Cited
US3088738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |