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US2452783A
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Shockproof aerial delivery contrivance
Assignee: Universal Moulded Products Corp
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Filing: 1945-10-13
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Granted: 1948-11-02
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Expires: 1965-10-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Nebesar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:50
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/02; B64D1/08; B64D1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH64125A
Cited
US1457496A
Cited
DE545645C
Cited
FR720793A
Cited
US2202415A
Cited
US2324146A
Cited
US2314914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |