Patent US3470604A successfully refreshed from Google Patents.
US3470604A
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Method of making a hypodermic needle
Assignee: American Hospital Supply Corp
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Filing: 1966-07-01
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Granted: 1969-10-07
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Zenick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:26
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/34; A61M5/343; A61M25/00; A61M25/0009; A61M25/0014; B; B21; B21G; B21G1/00; B21G1/08; B29; B29C; B29C65/00; B29C65/66; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/70; B29C66/71; B29C66/74; B29C66/742; B29C66/7428; B29C66/74283; B29C71/00; B29C71/0009; B29C71/009; B29K; B29K2077/00; B29L; B29L2031/00; B29L2031/753; B29L2031/7544; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1142820A
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US1254161A
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US1919455A
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US2249091A
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US2494290A
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US2461132A
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GB712859A
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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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |