US2422725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container and seam construction
Assignee: Shellmar Products Corp
•
Filing: 1942-04-11
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Granted: 1947-06-24
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Expires: 1962-04-11
Abstract
No abstract record available.
Inventors
- 👤 Paul M Gilfillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:02
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/26; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2149030A
Cited
US2297375A
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US2200289A
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US2275063A
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US2203591A
Cited
US2232640A
Cited
US2232062A
Cited
US2282258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |