US2083621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: DAVID C SHEPARD
•
Filing: 1934-03-16
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Granted: 1937-06-15
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Expires: 1954-03-16
Abstract
No abstract record available.
Inventors
- 👤 Smith Swan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:36
CPC Classifications
B; B65; B65D; B65D55/00; B65D55/02; B65D55/12; B65D43/00; B65D43/02; B65D43/0202; B65D43/0225; B65D43/0231; B65D2255/00; B65D2255/06; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00268; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00527; B65D2543/00537; Y; Y10; Y10T; Y10T292/00; Y10T292/42; Y10T292/438
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) | 1940-06-14 | 1940-12-14 | 1941-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-06-14 | 1944-12-14 | 1945-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-06-14 | 1948-12-14 | 1949-06-15 | $7700.00 | Window Closed / Lapsed |