US3487502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of metal granules
Assignee: Schloemann AG
•
Filing: 1967-08-28
•
Granted: 1970-01-06
•
Expires: 1987-08-28
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Becker
- 👤 Clemens Heumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:23
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US65339A
Cited
US809671A
Cited
US1498717A
Cited
US1939391A
Cited
US2310590A
Cited
US2919184A
Cited
US3113062A
Cited
US3246982A
Cited
US3249657A
Cited
US3298058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |