US2680023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling pin and base therefor
Assignee: AMF Inc
•
Filing: 1950-06-23
•
Granted: 1954-06-01
•
Expires: 1970-06-23
Abstract
No abstract record available.
Inventors
- 👤 Robert M Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:36
CPC Classifications
A; A63; A63D; A63D9/00; Y; Y10; Y10S; Y10S273/00; Y10S273/05; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49732
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322684A
Cited
US649745A
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US1077664A
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US1182160A
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US1585123A
Cited
US2008352A
Cited
US2517116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |