US2413293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aggregate measurer and feeder
Assignee: Individual
•
Filing: 1945-03-30
•
Granted: 1946-12-31
•
Expires: 1965-03-30
Abstract
No abstract record available.
Inventors
- 👤 Richard R Colburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:54
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/46; B65G53/4608; B65G53/4616
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) | 1949-12-30 | 1950-07-01 | 1950-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-30 | 1954-07-01 | 1954-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-30 | 1958-07-01 | 1958-12-31 | $7700.00 | Window Closed / Lapsed |