US2395077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material and seam construction
Assignee: SHELLMAR PRODUCTS Co
•
Filing: 1943-05-03
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Granted: 1946-02-19
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Expires: 1963-05-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Southwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:03
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/24273
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) | 1949-02-18 | 1949-08-20 | 1950-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-18 | 1953-08-20 | 1954-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-18 | 1957-08-20 | 1958-02-19 | $7700.00 | Window Closed / Lapsed |