US2677038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke generator
Assignee: Individual
•
Filing: 1950-09-08
•
Granted: 1954-04-27
•
Expires: 1970-09-08
Abstract
No abstract record available.
Inventors
- 👤 Roland G Reynoldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:47
CPC Classifications
C; C10; C10B; C10B47/00; C10B47/28; C10B47/32; C10B47/44; C10B53/00; C10B53/02; Y; Y02; Y02E; Y02E50/00; Y02E50/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1698749A
Cited
FR583496A
Cited
US1811191A
Cited
US1779453A
Cited
GB416200A
Cited
US2265857A
Cited
US2391566A
Cited
US2515455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |