US2722089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for lapping articles
Assignee: Crane Packing Co
•
Filing: 1952-04-18
•
Granted: 1955-11-01
•
Expires: 1972-04-18
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Boettcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:00
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/27; B24B37/30; Y; Y10; Y10S; Y10S451/00; Y10S451/914
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US448839A
Cited
US1486337A
Cited
US1402001A
Cited
US2184955A
Cited
US2397860A
Cited
US2412306A
Cited
US2539561A
Cited
US2541912A
Cited
US2565590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |