US2954920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic rural mail box signal
Assignee: Individual
•
Filing: 1959-05-06
•
Granted: 1960-10-04
•
Expires: 1979-05-06
Abstract
No abstract record available.
Inventors
- 👤 Harger Ait Emmius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:53
CPC Classifications
A; A47; A47G; A47G29/00; A47G29/12; A47G29/1209; A47G29/121; A47G2029/12105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2438314A
Cited
US2468257A
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US2613031A
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US2807410A
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US2754051A
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US2836352A
Cited
US2815167A
Cited
US2856123A
Cited
US2889981A
Cited
US2853230A
Cited
US2864553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |