US2929490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mail handling apparatus
Assignee: Emerson Radio Corp
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Filing: 1958-06-20
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Granted: 1960-03-22
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Expires: 1978-06-20
Abstract
No abstract record available.
Inventors
- 👤 Merrick W Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:26
CPC Classifications
B; B07; B07C; B07C1/00; B07C1/20; Y; Y10; Y10S; Y10S209/00; Y10S209/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |