US3098361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing carbon dioxide ice and product thereof
Assignee: Individual
•
Filing: 1961-12-04
•
Granted: 1963-07-23
•
Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Haase Ludwig Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:22
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/50; C01B32/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A SOLID BODY OF CARBON DIOXIDE ICE SUBSTANTIALLY FREE FROM CAPILLARY PORES AND HAVING A SPECIFIC GRAVITY OF APPROXIMATELY 1.33.
Claim 2
Dependent Claim
20 words
A SOLID BODY OF CARBON DIOXIDE ICE SUBSTANTIALLY FREE FROM CAPILLARY PORES AND HAVING A SPECIFIC GRAVITY OF APPROXIMATELY 1.33.
References Cited (Backward Citations)
US1919698A
Cited
US1927173A
Cited
US1979556A
Cited
US1976777A
Cited
US2005736A
Cited
FR805534A
Cited
US2703964A
Cited
FR1226246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |