US2590205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of storing and recovering peat
Assignee: Individual
•
Filing: 1947-11-04
•
Granted: 1952-03-25
•
Expires: 1967-11-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:01
CPC Classifications
C; C10; C10F; C10F5/00; C10F5/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
48 words
THE METHOD OF PREPARING A SUBSTANTIALLY WATERPROOF COVERING WHICH COMPRISES FORMING SAID COVERING OF COMMINUTED PEAT AND INTERMITTENTLY SPRINKLING SAID COVERING WITH WATER CONTAINING 1% TO 2% OF A WATER-MISCIBLE OIL AND ALLOWING THE COVERING TO DRY BETWEEN SAID INTERMITTENT SPRINKLING UNTIL A PROTECTIVE CRUST HAS BEEN FORMED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |