US3081393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric vaporizers
Assignee: Individual
•
Filing: 1958-07-15
•
Granted: 1963-03-12
•
Expires: 1978-07-15
Abstract
No abstract record available.
Inventors
- 👤 Robert J Wohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:05
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/04; A61M11/041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1477339A
Cited
US1470834A
Cited
DE372675C
Cited
US1420693A
Cited
US1629640A
Cited
US1775020A
Cited
US1749969A
Cited
GB383677A
Cited
US1932447A
Cited
US2274930A
Cited
US2211407A
Cited
US2242066A
Cited
US2429303A
Cited
US2467630A
Cited
US2454657A
Cited
US2810381A
Cited
US2883514A
Cited
US2847546A
Cited
US2847547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |