Patent US3152804A successfully refreshed from Google Patents.
US3152804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling pin with wound filament reinforcement
Assignee: Individual
•
Filing: 1961-11-30
•
Granted: 1964-10-13
•
Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Costopoulos Nick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:08
CPC Classifications
A; A63; A63D; A63D9/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A COMPOSITE BOWLING PIN COMPRISING A WOODEN CORE WITH ANNULAR SURFACE GROOVES, A CONTINUOUS LENGTH OF PLASTIC FILAMENT RECEIVED SUCCESSIVELY IN SAID GROOVES IN A STATE OF TENSION, AND A PLASTIC MATRIX FILLING SAID GROOVES, IN ENVELOPING RELATION TO SAID FILAMENT, SAID MATRIX HAVING AN OUTER SURFACE OUTWARDLY OF SAID CORE.
References Cited (Backward Citations)
US2742931A
Cited
US1878885A
Cited
US2166950A
Cited
US2151307A
Cited
US2399324A
Cited
US2535033A
Cited
US2876011A
Cited
US3025062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |