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US3275879A Expired / Lapsed US ⏱️ 0.0 years remaining

Capsulated bulb and method of making the same

Assignee: Ohmega Laboratories
•
Filing: 1961-07-31
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Granted: 1966-09-27
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Expires: 1981-07-31
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Abstract

No abstract record available.

Inventors

  • 👤 Philip C Demarest
  • 👤 Harry R Foster
  • 👤 Elmo E Crump

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:20
CPC Classifications
H; H01; H01K; H01K3/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US586055A Cited
US2097679A Cited
US2087754A Cited
US2185025A Cited
US2154542A Cited
US2438721A Cited
US2449676A Cited
US2568459A Cited
US2664517A Cited
US2845568A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-26 1970-03-28 1970-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-26 1974-03-28 1974-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-26 1978-03-28 1978-09-27 $7700.00 Window Closed / Lapsed

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