US2348664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer
Assignee: Individual
•
Filing: 1941-03-17
•
Granted: 1944-05-09
•
Expires: 1961-03-17
Abstract
No abstract record available.
Inventors
- 👤 Thompson Lee La Vere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:07
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/06; E21B21/063; E21B21/065; B; B01; B01D; B01D33/00; B01D33/06; B01D33/073; B01D33/44; B01D33/46; B01D33/463; B01D35/00; B01D35/10
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) | 1947-05-09 | 1947-11-08 | 1948-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-09 | 1951-11-08 | 1952-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-09 | 1955-11-08 | 1956-05-09 | $7700.00 | Window Closed / Lapsed |