Patent US2995103A successfully refreshed from Google Patents.
US2995103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Icebreaker
Assignee: Individual
•
Filing: 1956-05-04
•
Granted: 1961-08-08
•
Expires: 1976-05-04
Abstract
No abstract record available.
Inventors
- 👤 Waas Heinrich
- 👤 Ehlers Johann
- 👤 Grim Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:47
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/08; B63B35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US507944A
Cited
US993440A
Cited
GB191026098A
Cited
US1071735A
Cited
US1232619A
Cited
US1730941A
Cited
US1571264A
Cited
US1809288A
Cited
US2695586A
Cited
US2902964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |