Patent US3328170A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3328170A Expired / Lapsed US ⏱️ 0.0 years remaining

Feedstuff for silkworms containing aromatic polyhydroxy-carboxylic acid and method

Assignee: Individual
•
Filing: 1966-03-10
•
Granted: 1967-06-27
•
Expires: 1986-03-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Hamamura Yasuji
  • 👤 Hayashiya Keizo
  • 👤 Naito Kenichi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 14:24
CPC Classifications
A; A23; A23K; A23K50/00; A23K50/90

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
FEEDSTUFF FOR SILKWORMS CONTAINING ATTRACTING FACTOR, BITING FACTOR, SWALLOWING FACTOR AND AROMATIC POLYHYDROXYCARBOXYLIC ACID AS A SILK-WORM FEED-INTAKE PROMOTING FACTOR.
Claim 2
Dependent Claim 20 words
FEEDSTUFF FOR SILKWORMS CONTAINING ATTRACTING FACTOR, BITING FACTOR, SWALLOWING FACTOR AND AROMATIC POLYHYDROXYCARBOXYLIC ACID AS A SILK-WORM FEED-INTAKE PROMOTING FACTOR.

References Cited (Backward Citations)

US2394456A Cited
US2808416A Cited
US3051572A Cited
US3230930A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-06-26 1970-12-26 1971-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-26 1974-12-26 1975-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-26 1978-12-26 1979-06-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag