US3135364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Post anchor
Assignee: Individual
•
Filing: 1960-10-10
•
Granted: 1964-06-02
•
Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Milton N Luttrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:48
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/22; E04H12/2207; E04H12/2215
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US364042A
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US415825A
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US423633A
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US449777A
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US930607A
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US1202667A
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US2358089A
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CH272179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |