US3391481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structure for signs, decorative panels and the like and preformed interfitting elements for forming the structure
Assignee: Heath & Co Inc W
•
Filing: 1965-01-29
•
Granted: 1968-07-09
•
Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Milton J Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:12
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04; G09F13/0413; G09F15/00; G09F15/0006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769263A
Cited
US2979842A
Cited
US2970397A
Cited
US3044130A
Cited
US2985977A
Cited
US3095661A
Cited
US3235989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |