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
2026-10-30 15:26
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)
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Cited
US820694A
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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 |