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US2843119A Expired / Lapsed US ⏱️ 0.0 years remaining

Respirators for animals

Assignee: Individual
•
Filing: 1955-09-14
•
Granted: 1958-07-15
•
Expires: 1975-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 Max E Glasser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 08:58
CPC Classifications
A; A61; A61D; A61D7/00; A61D7/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE512710C Cited
GB111746A Cited
CH139956A Cited
US2312714A Cited
CH253658A Cited
US2552595A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-07-14 1962-01-13 1962-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-07-14 1966-01-13 1966-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-07-14 1970-01-13 1970-07-15 $7700.00 Window Closed / Lapsed

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