US2925031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addressing machines
Assignee: Individual
•
Filing: 1957-07-10
•
Granted: 1960-02-16
•
Expires: 1977-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:22
CPC Classifications
B; B41; B41L; B41L45/00; B41L45/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1629130A
Cited
US1637833A
Cited
US2054344A
Cited
US2269686A
Cited
US2491369A
Cited
US2572450A
Cited
GB673248A
Cited
US2820408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |