Patent US1912544A successfully refreshed from Google Patents.
US1912544A
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Method for tightly packing materials and product formed thereby
Assignee: CF Burgess Laboratories Inc
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Filing: 1929-11-02
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Granted: 1933-06-06
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Expires: 1949-11-02
Abstract
No abstract record available.
Inventors
- 👤 Slidell Kemper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:38
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/24; F01N2310/00; F01N2310/12; F01N2450/00; F01N2450/16; Y; Y10; Y10S; Y10S106/00; Y10S106/03; Y10S220/00; Y10S220/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-06-05 | 1936-12-05 | 1937-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-05 | 1940-12-05 | 1941-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-05 | 1944-12-05 | 1945-06-06 | $7700.00 | Window Closed / Lapsed |