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Patent US2707352A successfully refreshed from Google Patents.
US2707352A
Expired / Lapsed
US
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Preservation of plants and plant parts
Assignee: Research Corp
•
Filing: 1950-10-25
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Granted: 1955-05-03
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Expires: 1970-10-25
Abstract
No abstract record available.
Inventors
- 👤 Charles W Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:30
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D85/00; B65D85/50; B65D85/505; Y; Y10; Y10S; Y10S428/00; Y10S428/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1092059A
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DE537047C
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GB349561A
Cited
US1909013A
Cited
AU2402235A
Cited
US2222815A
Cited
US2377446A
Cited
US2416734A
Cited
US2427647A
Cited
US2593146A
Cited
US2572669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |