US2980935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bowling ball cleaning and polishing apparatus
Assignee: AMF Inc
•
Filing: 1956-12-03
•
Granted: 1961-04-25
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 William R Bogard
- 👤 George A Gruss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:45
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/04; A63D; A63D5/00; A63D5/10; B; B24; B24B; B24B11/00; B24B11/02; B24B11/04; B24B11/08; A63B2047/046; A63B37/00; A63B37/0001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US626613A
Cited
US2733464A
Cited
US1058460A
Cited
US1974185A
Cited
US2195303A
Cited
US2357892A
Cited
US2321162A
Cited
US2572464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |