US2700615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plaster composition
Assignee: Individual
•
Filing: 1951-04-04
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Granted: 1955-01-25
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Expires: 1971-04-04
Abstract
No abstract record available.
Inventors
- 👤 Heijmer Gustaf Bristol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:52
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/28; C04B26/285; C04B28/00; C04B28/14; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A MOLDABLE PLASTIC COMPOSITION WHEN MIXED WITH WATER, CONSISTING OF AN INORGANIC FILLER CARRYING 3 TO 20 PARTS OF NO. 3 PUMICE, AND GRADED SIZES EQUAL TO 200 TO 300 PARTS OF WHICH 1% TO 10% IS LARGER THAN 0.3 MM., 40% TO 50% IS 0.15 TO 0.3 MM., 10% TO 20% IS 0.075 0.075 MM., AND ADDITIONALLY INCLUDING 100 TO 150 PARTS 0.075 MM., AND ADDITIONALLY INCLUDING 100 TO 150 PARTS OF SUSPENDED CHALK, AND NOT OVER 2% OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE METHYL AND ETHYL CELLULOSE.
Claim 2
Dependent Claim
93 words
A MOLDABLE PLASTIC COMPOSITION WHEN MIXED WITH WATER, CONSISTING OF AN INORGANIC FILLER CARRYING 3 TO 20 PARTS OF NO. 3 PUMICE, AND GRADED SIZES EQUAL TO 200 TO 300 PARTS OF WHICH 1% TO 10% IS LARGER THAN 0.3 MM., 40% TO 50% IS 0.15 TO 0.3 MM., 10% TO 20% IS 0.075 0.075 MM., AND ADDITIONALLY INCLUDING 100 TO 150 PARTS 0.075 MM., AND ADDITIONALLY INCLUDING 100 TO 150 PARTS OF SUSPENDED CHALK, AND NOT OVER 2% OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE METHYL AND ETHYL CELLULOSE.
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) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |