US2265652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow shell
Assignee: YARRUM Inc
•
Filing: 1939-11-29
•
Granted: 1941-12-09
•
Expires: 1959-11-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Murray
- 👤 George H Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:17
CPC Classifications
F; F42; F42B; F42B30/00; F42B30/08; F42B30/10; B; B21; B21K; B21K1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12208; Y10T428/12229; Y10T428/12236; Y10T428/1225; Y10T428/12257; Y10T428/12292; Y10T428/12354
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) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |