US3028649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material clamps
Assignee: Individual
•
Filing: 1960-03-23
•
Granted: 1962-04-10
•
Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Schwarzberger Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:31
CPC Classifications
D; D06; D06C; D06C3/00; D06C3/10; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44333; Y10T24/44376; Y10T24/44385; Y10T24/44462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |