← Back to Patent Explorer
US3467609A Expired / Lapsed US ⏱️ 0.0 years remaining

Plant growth medium

Assignee: Primerica Inc
•
Filing: 1967-06-26
•
Granted: 1969-09-16
•
Expires: 1987-06-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James William Adams
  • 👤 Henry Wilbert Hoftiezer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:52
CPC Classifications
C; C08; C08F; C08F251/00; C08F251/02; A; A01; A01G; A01G9/00; A01G9/02; A01G9/029; A01G9/0295; C05; C05D; C05D9/00; Y; Y10; Y10T; Y10T428/00; Y10T428/15; Y10T428/24; Y10T428/24273

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US2358000A Cited
US2785969A Cited
US2971290A Cited
US3083118A Cited
US2923093A Cited
US3112577A Cited
US3194727A Cited
US3370935A Cited
US3172234A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-15 1973-03-17 1973-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-15 1977-03-17 1977-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-15 1981-03-17 1981-09-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag