Patent US3229978A successfully refreshed from Google Patents.
US3229978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic material bowling pin with uniform density
Assignee: POLY CHEM DEV CORP
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Filing: 1961-11-29
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Granted: 1966-01-18
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Sr Richard J Guglielmo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:25
CPC Classifications
A; A63; A63D; A63D9/00; Y; Y10; Y10S; Y10S273/00; Y10S273/07; Y10S273/08; Y10S273/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SYNTHETIC BOWLING PIN OF STANDARD SIZE AND SHAPE HAVING IMPROVED REBOUND, IMPACT AND SOUND CHARACTERISTICS COMPRISING A MOLDED BODY DEFINING SAID PIN AND FORMED OF THE CURED CONDENSATION PRODUCT OF A LIQUID CYCLIC ACETAL BASED A-STAGE THERMOSETTING RESIN IN WHICH THERE IS UNIFORMLY DISPERSED A QUANTITY OF WEIGHT COMPENSATING RELATIVELY LOW SPECIFIC GRAVITY DISCRETE, HOLLOW, SPHERICAL PARTICLES, SAID PIN HAVING A SUBSTANTIALLY UNIFORM DENSITY THROUGHOUT AND A SPECIFIC GRAVITY WITHIN CERTIFIED BOWLING PIN SPECIFICATIONS.
Claim 2
Dependent Claim
75 words
A SYNTHETIC BOWLING PIN OF STANDARD SIZE AND SHAPE HAVING IMPROVED REBOUND, IMPACT AND SOUND CHARACTERISTICS COMPRISING A MOLDED BODY DEFINING SAID PIN AND FORMED OF THE CURED CONDENSATION PRODUCT OF A LIQUID CYCLIC ACETAL BASED A-STAGE THERMOSETTING RESIN IN WHICH THERE IS UNIFORMLY DISPERSED A QUANTITY OF WEIGHT COMPENSATING RELATIVELY LOW SPECIFIC GRAVITY DISCRETE, HOLLOW, SPHERICAL PARTICLES, SAID PIN HAVING A SUBSTANTIALLY UNIFORM DENSITY THROUGHOUT AND A SPECIFIC GRAVITY WITHIN CERTIFIED BOWLING PIN SPECIFICATIONS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |