US2095751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blowpipe apparatus
Assignee: Union Carbide Corp
•
Filing: 1933-10-28
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Granted: 1937-10-12
•
Expires: 1953-10-28
Abstract
No abstract record available.
Inventors
- 👤 Stanley B Kirk
- 👤 Wilgot J Jacobsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/38; F23D2900/00; F23D2900/00014; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87249; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
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) | 1940-10-11 | 1941-04-12 | 1941-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-11 | 1945-04-12 | 1945-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-11 | 1949-04-12 | 1949-10-12 | $7700.00 | Window Closed / Lapsed |