US2696165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toggle press
Assignee: Individual
•
Filing: 1951-10-04
•
Granted: 1954-12-07
•
Expires: 1971-10-04
Abstract
No abstract record available.
Inventors
- 👤 Hecht Helmut Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:59
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/10; B30B1/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US38013A
Cited
GB414690A
Cited
DE601690C
Cited
US2269389A
Cited
US2271771A
Cited
CH271725A
Cited
US2600242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |