US1716191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating metallic bodies on one surface
Assignee: Individual
•
Filing: 1927-10-24
•
Granted: 1929-06-04
•
Expires: 1947-10-24
Abstract
No abstract record available.
Inventors
- 👤 Nathan H Schermer
- 👤 Charles G Heilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/60; C23C8/62; C23C8/64; C23C8/66; C23C8/04; Y; Y10; Y10S; Y10S76/00; Y10S76/02; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981
Claims Analysis
Total Claims: 0
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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) | 1932-06-03 | 1932-12-03 | 1933-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-06-03 | 1936-12-03 | 1937-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-06-03 | 1940-12-03 | 1941-06-04 | $7700.00 | Window Closed / Lapsed |