US3372867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data indicating apparatus
Assignee: Individual
•
Filing: 1966-08-31
•
Granted: 1968-03-12
•
Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm F Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:20
CPC Classifications
G; G06; G06G; G06G1/00; G06G1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1937831A
Cited
DE634220C
Cited
US2295616A
Cited
US2418803A
Cited
FR1098319A
Cited
US2800279A
Cited
US3026031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |