US1062828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caoutchouc-like substance and process of making same.
Assignee: Bayer AG
•
Filing: 1911-03-20
•
Granted: 1913-05-27
•
Expires: 1931-03-20
Abstract
No abstract record available.
Inventors
- 👤 Fritz Hofmann
- 👤 Carl Coutelle
- 👤 Konrad Delbrueck
- 👤 Kurt Meisenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1916-05-26 | 1916-11-25 | 1917-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-05-26 | 1920-11-25 | 1921-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-05-26 | 1924-11-25 | 1925-05-27 | $7700.00 | Window Closed / Lapsed |