Patent US3168382A successfully refreshed from Google Patents.
US3168382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair drier improvements
Assignee: Sunbeam Corp
•
Filing: 1961-04-06
•
Granted: 1965-02-02
•
Expires: 1981-04-06
Abstract
No abstract record available.
Inventors
- 👤 Worthy L Chambers
- 👤 Gilbert R Wolter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:34
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/096; A; A45; A45D; A45D20/00; A45D20/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2899216A
Cited
US735790A
Cited
US1111417A
Cited
US2259362A
Cited
US2305658A
Cited
US2516907A
Cited
US2481407A
Cited
US2677196A
Cited
US2755106A
Cited
US2782527A
Cited
US2951714A
Cited
FR1205302A
Cited
FR1223640A
Cited
US3044183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |