US3618210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry-shaving apparatus having a deformable curved shear plate
Assignee: US Philips Corp
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Filing: 1969-07-18
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Granted: 1971-11-09
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Expires: 1989-07-18
Abstract
Abstract DRY SHAVER HAVING A THIN, RESILIENT SHEAR PLATE THAT IS FORMED INTO A PARTIAL TOROID AND HAS A PLURALITY OF HAIR-RECEIVING APERTURES, A CUTTER WHICH MOVES ABOUT SUBSTANTIALLY THE ENTIRE SURFACE OF THE SHEAR PLATE, AND MEANS FOR MAINTAINING THE CUTTING SURFACE IN PRESSURE CONTACT THEREWITH.
Inventors
- 👤 Frans Zuurveen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:05
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/38; B26B19/384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |