US3440746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly of lettering and the like
Assignee: RIVELIN E RICHARDS
•
Filing: 1966-06-28
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Granted: 1969-04-29
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Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Rivelin E Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:30
CPC Classifications
G; G09; G09F; G09F7/00; G09F7/02; G09F7/12; B; B44; B44C; B44C1/00; B44C1/16; B44C1/162; G09F2007/127
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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |