US3220731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deterioration and impact - resistant wooden surfaces and bowling pins
Assignee: AMF Inc
•
Filing: 1961-04-05
•
Granted: 1965-11-30
•
Expires: 1981-04-05
Abstract
No abstract record available.
Inventors
- 👤 Felix J Germino
- 👤 Joseph R Infantino
- 👤 Raymond J Moshy
- 👤 Richard A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:52
CPC Classifications
A; A63; A63D; A63D9/00; Y; Y10; Y10S; Y10S273/00; Y10S273/01; Y10S273/02; Y10S273/05; Y10S273/08; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T428/4935; Y10T428/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A WOOD ARTICLE WHEREIN THE WOOD IS IMPREGNATED WITH AN AMYLOSE SOLUTION AND COATED WITH A RESINOUS COMPOSITION SELECTED FROM THE GROUP CONSISTING OF ETHYL CELLULOSE AND POLYURETHANE.
Claim 2
Dependent Claim
28 words
A WOOD ARTICLE WHEREIN THE WOOD IS IMPREGNATED WITH AN AMYLOSE SOLUTION AND COATED WITH A RESINOUS COMPOSITION SELECTED FROM THE GROUP CONSISTING OF ETHYL CELLULOSE AND POLYURETHANE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |