Patent US2867954A successfully refreshed from Google Patents.
US2867954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing pad and method of making the same
Assignee: Individual
•
Filing: 1956-09-26
•
Granted: 1959-01-13
•
Expires: 1976-09-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin D Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:20
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A LENS POLISHING PAD COMPRISING A FLAT BODY OF AN ABSORBENT MATERIAL IMPREGNATED AND BONDED THROUGHOUT WITH AN ORGANIC RESIN AND A POLISHING ROUGE COMBINED WITH AND RETAINED IN THE RESIN IMPREGNATED BODY BY AN ADHESIVE AND COVERING AT LEAST ONE SIDE OF THE BODY.
Claim 2
Dependent Claim
45 words
A LENS POLISHING PAD COMPRISING A FLAT BODY OF AN ABSORBENT MATERIAL IMPREGNATED AND BONDED THROUGHOUT WITH AN ORGANIC RESIN AND A POLISHING ROUGE COMBINED WITH AND RETAINED IN THE RESIN IMPREGNATED BODY BY AN ADHESIVE AND COVERING AT LEAST ONE SIDE OF THE BODY.
References Cited (Backward Citations)
US331632A
Cited
US820694A
Cited
US1141371A
Cited
US1477975A
Cited
US1693598A
Cited
US2152392A
Cited
US2131309A
Cited
US2450433A
Cited
US2520763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |