Patent US2604428A successfully refreshed from Google Patents.
US2604428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vesicant
Assignee: Individual
•
Filing: 1944-11-29
•
Granted: 1952-07-22
•
Expires: 1964-11-29
Abstract
No abstract record available.
Inventors
- 👤 Macy Rudolph
- 👤 Benjamin L Harris
- 👤 John W Eastes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:53
CPC Classifications
C; C06; C06D; C06D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A NEW COMPOSITION OF MATTER CONSISTING OF A LIQUID HAVING A VISCOSITY OF FROM 0.3 POISE TO 6.0 POISE AT 10* C., THE CHARACTERISTIC OF FORMING FAIRLY LARGE LIQUID DROPS WHEN SPRAYED INTO THE AIR, AND COMPRISING AT LEAST ONE CHEMICAL WARFARE VESICANT SELECTED FROM THE GROUP CONSISTING OF LEVINSTEIN MUSTARD, NITROGEN MUSTARDS, PURE MUSTARDS AND LEWISITE, THICKENED WITH NOT IN EXCESS OF ABOUT 10% BY WEIGHT OF A POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 30,000.
Claim 2
Dependent Claim
79 words
A NEW COMPOSITION OF MATTER CONSISTING OF A LIQUID HAVING A VISCOSITY OF FROM 0.3 POISE TO 6.0 POISE AT 10* C., THE CHARACTERISTIC OF FORMING FAIRLY LARGE LIQUID DROPS WHEN SPRAYED INTO THE AIR, AND COMPRISING AT LEAST ONE CHEMICAL WARFARE VESICANT SELECTED FROM THE GROUP CONSISTING OF LEVINSTEIN MUSTARD, NITROGEN MUSTARDS, PURE MUSTARDS AND LEWISITE, THICKENED WITH NOT IN EXCESS OF ABOUT 10% BY WEIGHT OF A POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 30,000.
References Cited (Backward Citations)
US1620475A
Cited
DE559359C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |