US2045903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporizing device
Assignee: NUMYST CO
•
Filing: 1935-11-16
•
Granted: 1936-06-30
•
Expires: 1955-11-16
Abstract
No abstract record available.
Inventors
- 👤 Paul R Fortin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:42
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-06-30 | 1939-12-30 | 1940-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-30 | 1943-12-30 | 1944-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-30 | 1947-12-30 | 1948-06-30 | $7700.00 | Window Closed / Lapsed |