US2827333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for pneumatic transporting of grain or similar material
Assignee: Svenska Flaktfabriken AB
•
Filing: 1955-07-08
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Granted: 1958-03-18
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Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
- 👤 Wallin Sven Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:03
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/66; B01; B01J; B01J8/00; B01J8/0015; B01J8/0025; B65G53/04; B65G53/06; B65G53/40; B65G53/46; B65G53/4608; B65G53/4625; B65G53/4633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US494375A
Cited
US1450903A
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US2180379A
Cited
US2544054A
Cited
US2765812A
Cited
US2695815A
Cited
US2770584A
Cited
US2727792A
Cited
FR1074419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |