US1616547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handling dry pulverulent materials
Assignee: FLSmidth and Co AS
•
Filing: 1926-04-03
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Granted: 1927-02-08
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Expires: 1946-04-03
Abstract
No abstract record available.
Inventors
- 👤 Pontoppidan Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:27
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/48; B65G53/04; B65G53/16; B65G53/18; B65G53/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-02-07 | 1930-08-09 | 1931-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-02-07 | 1934-08-09 | 1935-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-02-07 | 1938-08-09 | 1939-02-08 | $7700.00 | Window Closed / Lapsed |