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Patent US2882795A successfully refreshed from Google Patents.
US2882795A
Expired / Lapsed
US
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Erecting and launching apparatus
Assignee: Alco Products Inc
•
Filing: 1956-03-15
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Granted: 1959-04-21
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Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 Robert S Bergner
- 👤 George C Hauenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:32
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2689549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |