Patent US3231441A successfully refreshed from Google Patents.
US3231441A
Expired / Lapsed
US
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Method of making a bowling ball insert pad
Assignee: Individual
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Filing: 1960-06-22
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Granted: 1966-01-25
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Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Charles F Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:08
CPC Classifications
A; A63; A63B; A63B37/00; A63B37/0001; A63B37/0002; B; B29; B29C; B29C43/00; B29C43/22; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A METHOD OF MAKING A PAD FOR A BOWLING BALL HOLE COMPRISING THE STEPS OF PROVIDING AN ELONGATE BASE SHEET OF MATERIAL FOR FORMING A PAD, WHICH SHEET HAS A BACKING LAYER ADHESIVELY SECURED TO THE BOTTOM SURFACE THEREOF, GRINDING OFF THE TOP OF SAID SHEET TO LEAVE A HIGH FRICTION SURFACE THEREON, TRIMMING ONE EDGE OF SAID BASE SHEET, REMOVING THE BACKING FROM THE BASE SHEET, AND OFFSETTING ONE MARGIN OF THE BACKING RELATIVE TO THE TRIMED EDGE OF THE BASE SHEET, SECURING THE BACKING TO THE BOTTOM SURFACE OF THE BASE SHEET TO PROTRUDE FROM THE TRIMMED EDGE THEREOF AND CUTTING THE LAMINATE TRANSVERSELY TO PROVIDE PADS HAVING A BACKING STRIP PROTRUDING FROM A TRIMMED MARGIN THEREOF.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |