US4079543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic casings for mushroom beds
Assignee: Individual
•
Filing: 1977-04-01
•
Granted: 1978-03-21
•
Expires: 1997-04-01
Abstract
Abstract A synthetic casing for mushroom beds in order to grow mushrooms is provided by a formulation consisting of a water absorptive material such as shredded newspaper, powdered activated carbon, water, limestone and gypsum.
Inventors
- 👤 Benjamin B. Stoller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:37
CPC Classifications
A; A01; A01G; A01G18/00; A01G18/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
46 words
A casing material for mushroom beds comprising about 125 grams of a water absorptive material such as shredded newspaper, about 400-1000 ml water, about 2 grams to 100 grams finely divided activated carbon and sufficient granular limestone to yield a pH of from 6.5 to 8.
Claim 2
Dependent Claim
46 words
A casing material for mushroom beds comprising about 125 grams of a water absorptive material such as shredded newspaper, about 400-1000 ml water, about 2 grams to 100 grams finely divided activated carbon and sufficient granular limestone to yield a pH of from 6.5 to 8.
Claim 3
Dependent Claim
10 words
The material of claim 1 having in addition thereto gypsum.
Claim 4
Dependent Claim
43 words
The casing material of claim 1 wherein the amount of water is from 600 to 800 mls, the activated carbon is from 20 to 30 grams and the amount of limestone is sufficient to render a material having a pH of about 7.5.
References Cited (Backward Citations)
US3828470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-20 | 1981-09-19 | 1982-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-20 | 1985-09-19 | 1986-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-20 | 1989-09-19 | 1990-03-21 | $7700.00 | Window Closed / Lapsed |