US2689995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laboratory clamp
Assignee: Individual
•
Filing: 1947-01-28
•
Granted: 1954-09-28
•
Expires: 1967-01-28
Abstract
No abstract record available.
Inventors
- 👤 Donald M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:00
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/50; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1427; Y10T24/34; Y10T24/3427; Y10T24/3439
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US593736A
Cited
US1104352A
Cited
GB190003336A
Cited
US746188A
Cited
US1093668A
Cited
US1363231A
Cited
US1397508A
Cited
US1498539A
Cited
US1419897A
Cited
US1486158A
Cited
US1512875A
Cited
US1784516A
Cited
US1913562A
Cited
US1754929A
Cited
GB340871A
Cited
US1917192A
Cited
US1882305A
Cited
US2269790A
Cited
GB523313A
Cited
US2375507A
Cited
US2391403A
Cited
US2301243A
Cited
US2327326A
Cited
US2386629A
Cited
US2452806A
Cited
US2460981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |