Patent US2562162A successfully refreshed from Google Patents.
US2562162A
Expired / Lapsed
US
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Razor blade conditioning
Assignee: Individual
•
Filing: 1947-05-14
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Granted: 1951-07-31
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Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Gray Irene Carol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:57
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/12; C23F11/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A RAZOR CONDITIONING COMPOSITION COMPRISING CAMPHOR IN PROPORTION OF ABOUT ONE-SIXTH BY VOLUME DISSOLVED IN ISOPROPYL ALCOHOL ABOUT FIVE-SIXTHS BY VOLUME.
Claim 2
Dependent Claim
21 words
A RAZOR CONDITIONING COMPOSITION COMPRISING CAMPHOR IN PROPORTION OF ABOUT ONE-SIXTH BY VOLUME DISSOLVED IN ISOPROPYL ALCOHOL ABOUT FIVE-SIXTHS BY VOLUME.
References Cited (Backward Citations)
GB190325081A
Cited
GB190511679A
Cited
US1400395A
Cited
GB248463A
Cited
US2348715A
Cited
US2379246A
Cited
US2402551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |