US3058516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for distributing viscous substances on falling film evaporators
Assignee: Bayer AG
•
Filing: 1958-04-01
•
Granted: 1962-10-16
•
Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 Brunk Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:12
CPC Classifications
F; F28; F28F; F28F19/00; B; B01; B01D; B01D1/00; B01D1/22; B01D1/222; F23; F23J; F23J3/00; F23J3/02; F28F13/00; F28F13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1284974A
Cited
US1895740A
Cited
US2032785A
Cited
US2306496A
Cited
US2460602A
Cited
US2500900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |