US2815571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple cutter rotary shaver having uninterrupted shaving surface
Assignee: Individual
•
Filing: 1956-04-02
•
Granted: 1957-12-10
•
Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Brentani Ottone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:10
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/14
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) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |