Patent US3413718A successfully refreshed from Google Patents.
US3413718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry electric razor with short and long hair cutters
Assignee: Robert Krups GmbH and Co KG
•
Filing: 1967-02-28
•
Granted: 1968-12-03
•
Expires: 1987-02-28
Abstract
No abstract record available.
Inventors
- 👤 Baumann Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:58
CPC Classifications
B; B01; B01D; B01D35/00; B26; B26B; B26B19/00; B26B19/02; B26B19/04; B26B19/10; B26B19/102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2331466A
Cited
US2370543A
Cited
US2391695A
Cited
US2574317A
Cited
DE1051161B
Cited
GB827768A
Cited
US2917824A
Cited
CH353652A
Cited
FR1262046A
Cited
GB967536A
Cited
US3241232A
Cited
US3319334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |