Patent US3290781A successfully refreshed from Google Patents.
US3290781A
Expired / Lapsed
US
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Light-weight cutter block for electric shaver and method of manufacture
Assignee: Gebr LANG
•
Filing: 1963-12-09
•
Granted: 1966-12-13
•
Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Kratz Gerd Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:45
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/28; B26B19/282; B26B19/02; B26B19/04; B26B19/044
Claims Analysis
Total Claims: 0
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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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |