US2584875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid acetylene
Assignee: Individual
•
Filing: 1949-08-24
•
Granted: 1952-02-05
•
Expires: 1969-08-24
Abstract
No abstract record available.
Inventors
- 👤 Hasche Rudolph Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:36
CPC Classifications
C; C10; C10L; C10L3/00; C10L3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
COMPRESSED SOLID ACETYLENE ENCASED IN SOLID CARBON DIOXIDE.
Claim 2
Dependent Claim
8 words
COMPRESSED SOLID ACETYLENE ENCASED IN SOLID CARBON DIOXIDE.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |