Patent US4111861A successfully refreshed from Google Patents.
US1628979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of utilizing flexible molds for producing sponge-rubber articles
Assignee: FEATHEREDGE RUBBER Co Inc
•
Filing: 1925-07-21
•
Granted: 1927-05-17
•
Expires: 1945-07-21
Abstract
No abstract record available.
Inventors
- 👤 Harry M Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:58
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/18; B29C44/181; B29C33/00; B29C33/38; B29C33/3814; B29K; B29K2021/00; B29K2105/00; B29K2105/25; B29K2105/253; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T428/2973; Y10T428/2975
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) | 1930-05-16 | 1930-11-15 | 1931-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-05-16 | 1934-11-15 | 1935-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-05-16 | 1938-11-15 | 1939-05-17 | $7700.00 | Window Closed / Lapsed |