US3070187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-attenuating system and apparatus for gas streams
Assignee: OLDBERG Manufacturing CO
•
Filing: 1959-05-18
•
Granted: 1962-12-25
•
Expires: 1979-05-18
Abstract
No abstract record available.
Inventors
- 👤 Floyd E Deremer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:41
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/02; F01N1/00; F01N1/003; F01N1/006; F01N1/02; F01N1/023; F01N2490/00; F01N2490/15; F01N2490/155
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE506100A
Cited
GB187171A
Cited
AT124337B
Cited
US2078420A
Cited
US2356782A
Cited
US2614647A
Cited
US2658580A
Cited
US2573474A
Cited
US2692025A
Cited
DE1021641B
Cited
US2990028A
Cited
FR1185476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |