US3407785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spraying solid particles
Assignee: Teck Metals Ltd
•
Filing: 1966-05-09
•
Granted: 1968-10-29
•
Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 John T Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:41
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/16; C; C05; C05C; C05C1/00; C05C1/02; G; G05; G05D; G05D9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1865436A
Cited
US1969283A
Cited
US2424202A
Cited
US2601355A
Cited
US2665944A
Cited
US2816846A
Cited
US3101040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |