US2842827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block forming machine
Assignee: Richmond Foundry & Manufacturing Co Inc
•
Filing: 1955-01-14
•
Granted: 1958-07-15
•
Expires: 1975-01-14
Abstract
No abstract record available.
Inventors
- 👤 Alison W Nickelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:12
CPC Classifications
B; B28; B28B; B28B15/00; B28B15/005; B28B13/00; B28B13/02; B28B13/0215; B28B13/023; Y; Y10; Y10S; Y10S425/00; Y10S425/118
Claims Analysis
Total Claims: 0
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US2692418A
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US2586210A
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US2713709A
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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) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |