US2562229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt grinding machine
Assignee: Hammond Machinery Builders Inc
•
Filing: 1946-12-12
•
Granted: 1951-07-31
•
Expires: 1966-12-12
Abstract
No abstract record available.
Inventors
- 👤 Ramsay M Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:21
CPC Classifications
B; B24; B24B; B24B21/00; Y; Y10; Y10S; Y10S29/00; Y10S29/062; Y10S29/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2279782A
Cited
US2261244A
Cited
US2279783A
Cited
US2280762A
Cited
US2359488A
Cited
US2367107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |