Patent US2844184A successfully refreshed from Google Patents.
US2844184A
Expired / Lapsed
US
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Metal balling machines
Assignee: Individual
•
Filing: 1955-03-24
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Granted: 1958-07-22
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Expires: 1975-03-24
Abstract
No abstract record available.
Inventors
- 👤 Gilbert J Vollmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/32; B30B3/00; B30B3/04; B30B3/045; B30B9/321; B30B9/325; Y; Y10; Y10S; Y10S100/00; Y10S100/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49751; Y10T29/49753
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US30288A
Cited
US1306610A
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DE392606C
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US2734685A
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US767831A
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US1367299A
Cited
US1606505A
Cited
US2356122A
Cited
US2472725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |