US2640771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing fusee compositions
Assignee: Kilgore Inc
•
Filing: 1949-10-12
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Granted: 1953-06-02
•
Expires: 1969-10-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Clauser
- 👤 Robert S Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:52
CPC Classifications
F; F21; F21K; F21K5/00; F21K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR CONVERTING FUSEE COMPOSITION TO A PLASTIC STATE FOR EXTRUSION PURPOSES WHICH COMPRISES THE STEPS OF REDUCING A METALLIC NITRATE TO A PULVERANT FORM; HEATING SAID METALLIC NITRATE IN PULVERANT FORM TO A TEMPERATURE MAINTAINED IN THE RANGE OF ABOUT 180* F. TO 200* F., MIXING SAID METALLIC NITRATE WHILE HEATED WITH POTASSIUM PERCHLORATE, SAWDUST, SULPHUR, PARAFFING, CARNAUBA
Claim 2
Dependent Claim
60 words
A PROCESS FOR CONVERTING FUSEE COMPOSITION TO A PLASTIC STATE FOR EXTRUSION PURPOSES WHICH COMPRISES THE STEPS OF REDUCING A METALLIC NITRATE TO A PULVERANT FORM; HEATING SAID METALLIC NITRATE IN PULVERANT FORM TO A TEMPERATURE MAINTAINED IN THE RANGE OF ABOUT 180* F. TO 200* F., MIXING SAID METALLIC NITRATE WHILE HEATED WITH POTASSIUM PERCHLORATE, SAWDUST, SULPHUR, PARAFFING, CARNAUBA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |