US1389294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial honeycomb
Assignee: JOHN D HOWE
•
Filing: 1919-08-18
•
Granted: 1921-08-30
•
Expires: 1939-08-18
Abstract
No abstract record available.
Inventors
- 👤 Harry B Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:19
CPC Classifications
A; A01; A01K; A01K47/00; A01K47/04; B; B21; B21D; B21D47/00; B31; B31D; B31D3/00; B31D3/02; B31D3/0223; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
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) | 1924-08-29 | 1925-02-28 | 1925-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-29 | 1929-02-28 | 1929-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-29 | 1933-02-28 | 1933-08-30 | $7700.00 | Window Closed / Lapsed |