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US3470604A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a hypodermic needle

Assignee: American Hospital Supply Corp
•
Filing: 1966-07-01
•
Granted: 1969-10-07
•
Expires: 1986-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond G Zenick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:33
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 Cited
US1254161A Cited
US1919455A Cited
US2249091A Cited
US2494290A Cited
US2461132A Cited
GB712859A Cited
US3029815A Cited

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

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