Patent US3116738A successfully refreshed from Google Patents.
US3116738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wentges
Assignee: —
•
Filing: —
•
Granted: 1964-01-07
•
Expires: 1981-01-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:36
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/02; B42D; B42D1/00; B42D1/08; B42F5/00; Y; Y10; Y10S; Y10S206/00; Y10S206/805; Y10S402/00; Y10S402/501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US404260A
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US426776A
Cited
US584997A
Cited
US594203A
Cited
US2564085A
Cited
US1023715A
Cited
US1479607A
Cited
US2248582A
Cited
FR1039940A
Cited
GB705112A
Cited
GB739845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |