US3094978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary air cleaner and flame arrester
Assignee: Cabot Corp
•
Filing: 1960-09-15
•
Granted: 1963-06-25
•
Expires: 1980-09-15
Abstract
No abstract record available.
Inventors
- 👤 Mccray Harold Earl
- 👤 Paden Loyd Bennie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:45
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/46; F23D14/68; F23D14/72; F23D2209/00; F23D2209/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA560554A
Cited
US1329052A
Cited
FR855739A
Cited
US2340389A
Cited
US2341771A
Cited
US2753951A
Cited
US3006408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |