US3421218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric scissors
Assignee: RICHARD A THOMPSON
•
Filing: 1966-08-01
•
Granted: 1969-01-14
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Richard A Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:37
CPC Classifications
B; B26; B26B; B26B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848147A
Cited
US2250589A
Cited
US2244638A
Cited
US2316486A
Cited
US2454728A
Cited
US2731721A
Cited
US3189997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |