Patent US3019835A successfully refreshed from Google Patents.
US3019835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary kilns and dryers or other like apparatus
Assignee: LafargeHolcim Ciments SA
•
Filing: 1957-07-08
•
Granted: 1962-02-06
•
Expires: 1977-07-08
Abstract
No abstract record available.
Inventors
- 👤 Rene L F Maurand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:57
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/28; F; F26; F26B; F26B11/00; F26B11/02; F26B11/026; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00092; B01J2219/00157
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US545058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |