Patent US3006363A successfully refreshed from Google Patents.
US674951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of gaging spheroidal surfaces.
Assignee: Carl Zeiss SMT GmbH
•
Filing: 1900-06-08
•
Granted: 1901-05-28
•
Expires: 1920-06-08
Abstract
No abstract record available.
Inventors
- 👤 Ernst Abbe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:04
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/70; G03F7/70483; G03F7/70591; G03F7/706
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1904-05-27 | 1904-11-26 | 1905-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-05-27 | 1908-11-26 | 1909-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-05-27 | 1912-11-26 | 1913-05-28 | $7700.00 | Window Closed / Lapsed |