US3071858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade having a coating of a cured solid hydrocarbon polymer on its cutting edge
Assignee: Gillette Co LLC
•
Filing: 1962-08-22
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Granted: 1963-01-08
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Expires: 1982-08-22
Abstract
No abstract record available.
Inventors
- 👤 Alter Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; B; B05; B05D; B05D5/00; B05D5/08; B05D7/00; B05D7/14; B05D7/16; B21; B21D; B21D53/00; B21D53/60; B21D53/64; B21D53/645; B26; B26B; B26B21/00; B26B21/54; B26B21/58; B26B21/60; B05D2507/00; B05D3/00; B05D3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A SAFETY RAZOR BLADE HAVING ON ITS CUTTING EDGE AN ADHERENT COATING COMPRISING A CURED SOLID HYDROCARBON POLYMER CONTAINING A CHAIN OF CARBON ATOMS INCLUDING A PLURALITY OF -CH2-CH2- GROUPS.
Claim 2
Dependent Claim
30 words
A SAFETY RAZOR BLADE HAVING ON ITS CUTTING EDGE AN ADHERENT COATING COMPRISING A CURED SOLID HYDROCARBON POLYMER CONTAINING A CHAIN OF CARBON ATOMS INCLUDING A PLURALITY OF -CH2-CH2- GROUPS.
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US2937976A
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |