US2525874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporizer for liquefied petroleum gas dispensing systems
Assignee: Bastian Blessing Co
•
Filing: 1944-08-31
•
Granted: 1950-10-17
•
Expires: 1964-08-31
Abstract
No abstract record available.
Inventors
- 👤 Larzelere Frank P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:56
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1947099A
Cited
US2166911A
Cited
US2176829A
Cited
US2339134A
Cited
US2217583A
Cited
US2373683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |