US2905378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rural mailbox signal
Assignee: Individual
•
Filing: 1957-05-02
•
Granted: 1959-09-22
•
Expires: 1977-05-02
Abstract
No abstract record available.
Inventors
- 👤 Russell E Cox
- 👤 Charles P Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:50
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)
US1149781A
Cited
US1350515A
Cited
US1380164A
Cited
US1530150A
Cited
US2698712A
Cited
US2639856A
Cited
US2797860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |