US3108862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair drier
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1961-01-16
•
Granted: 1963-10-29
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Virginia B Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:27
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1903427A
Cited
FR856747A
Cited
US2496232A
Cited
US2668367A
Cited
US2776497A
Cited
US2900739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |