US1419408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key ring and holder
Assignee: Individual
•
Filing: 1921-07-12
•
Granted: 1922-06-13
•
Expires: 1941-07-12
Abstract
No abstract record available.
Inventors
- 👤 Polhemus Louis Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:35
CPC Classifications
A; A45; A45F; A45F5/00; A45F5/02; A45F5/1558; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1379; Y10T24/1394; Y10T24/14; Y10T24/149; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/873
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) | 1925-06-12 | 1925-12-12 | 1926-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-06-12 | 1929-12-12 | 1930-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-06-12 | 1933-12-12 | 1934-06-13 | $7700.00 | Window Closed / Lapsed |