US3206319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load supporting composition
Assignee: CONVERSION SYSTEMS OF PENNSYLVANIA Inc
•
Filing: 1962-07-17
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Granted: 1965-09-14
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Minnick Leonard John
- 👤 Charles H Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:16
CPC Classifications
E; E01; E01C; E01C7/00; E01C7/08; E01C7/18; E01C7/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A LOAD SUPPORTING COMPOSITION OF MATTER CONSISTIN ESSENTIALLY OF THE FOLLOWING INGREDIENTS IN ABOUT THE PROPORTIONS BY WEIGHT SPECIFIED:
Claim 2
Dependent Claim
19 words
A LOAD SUPPORTING COMPOSITION OF MATTER CONSISTIN ESSENTIALLY OF THE FOLLOWING INGREDIENTS IN ABOUT THE PROPORTIONS BY WEIGHT SPECIFIED:
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |