US3073597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling pin
Assignee: AMF Inc
•
Filing: 1958-07-14
•
Granted: 1963-01-15
•
Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 John M Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:25
CPC Classifications
A; A63; A63D; A63D9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPOSITE BOWLING PIN COMPRISING A PAIR OF HOLLOW PLASTIC OPPOSED SECTIONS OF GENERALLY UNIFORM THICKNESS AND HAVING LONGITUDINALLY DISPOSED, MATCHING EDGE POR-
Claim 2
Dependent Claim
23 words
A COMPOSITE BOWLING PIN COMPRISING A PAIR OF HOLLOW PLASTIC OPPOSED SECTIONS OF GENERALLY UNIFORM THICKNESS AND HAVING LONGITUDINALLY DISPOSED, MATCHING EDGE POR-
References Cited (Backward Citations)
US532871A
Cited
US1583824A
Cited
US2166950A
Cited
US2652253A
Cited
US2848235A
Cited
US2737391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |