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US2879586A
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Method for the production of ball tip writing instruments
Assignee: Uruguaya De Fomento Industrial S A Cia
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Filing: 1952-10-06
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Granted: 1959-03-31
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Expires: 1972-10-06
Abstract
No abstract record available.
Inventors
- 👤 Fehling Hans Reinhard
- 👤 Wicks Ernest Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:10
CPC Classifications
B; B43; B43K; B43K1/00; B43K1/08; B21; B21D; B21D53/00; B21D53/76; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR965335A
Cited
US348797A
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DE692590C
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US2266417A
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US2500386A
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US2718051A
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GB660784A
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FR971021A
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US2498009A
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US2646761A
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FR976131A
Cited
DE819954C
Cited
FR1003293A
Cited
BE511872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |