US2622510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressing sawdust into the form of bodies
Assignee: Individual
•
Filing: 1948-05-12
•
Granted: 1952-12-23
•
Expires: 1968-05-12
Abstract
No abstract record available.
Inventors
- 👤 Walter W Letts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:11
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/06; B30B15/065; B30B11/00; B30B11/22; B30B11/26; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |