US2719015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barrage balloon safety valve
Assignee: Individual
•
Filing: 1951-05-28
•
Granted: 1955-09-27
•
Expires: 1971-05-28
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:11
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/36; B; B64; B64B; B64B1/00; B64B1/58; B64B1/64; F16K17/02; F16K17/12; F41; F41H; F41H11/00; F41H11/02; F41H11/04; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0874; Y10T137/0923; Y10T137/8593; Y10T137/87265; Y10T137/8741; Y10T137/87418
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US7207A
Cited
US113517A
Cited
US616100A
Cited
US975958A
Cited
US1181352A
Cited
US1454298A
Cited
US1522715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |