US3227451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight-compensated bowling pin
Assignee: Individual
•
Filing: 1964-04-23
•
Granted: 1966-01-04
•
Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Loyal E Einfalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:28
CPC Classifications
A; A63; A63D; A63D9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A WEIGHT-COMPENSATED BOWLING PIN COMPRISING A MAIN BODY HAVING A PLURALITY OF TRANSVERSE HOLLOW BORES EQUI-DISTANTLY ARRANGED ABOUT THE AXIS OF SAID PIN, EACH ARRANGED AT A COMMON, ACUTE ANGLE TO SAID AXIS, SAID BORES EACH HAVING A VOLUME EQUALLY DISPOSED ABOVE AND BELOW A PLANE INCLUDING THE BALL LINE OF THE PIN, AND AN OUTER PLASTIC COATING ON SAID PIN.
Claim 2
Dependent Claim
61 words
A WEIGHT-COMPENSATED BOWLING PIN COMPRISING A MAIN BODY HAVING A PLURALITY OF TRANSVERSE HOLLOW BORES EQUI-DISTANTLY ARRANGED ABOUT THE AXIS OF SAID PIN, EACH ARRANGED AT A COMMON, ACUTE ANGLE TO SAID AXIS, SAID BORES EACH HAVING A VOLUME EQUALLY DISPOSED ABOVE AND BELOW A PLANE INCLUDING THE BALL LINE OF THE PIN, AND AN OUTER PLASTIC COATING ON SAID PIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |