US1463346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable closure
Assignee: Individual
•
Filing: 1919-04-14
•
Granted: 1923-07-31
•
Expires: 1939-04-14
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481; Y; Y10; Y10S; Y10S16/00; Y10S16/31
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) | 1926-07-30 | 1927-01-29 | 1927-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-07-30 | 1931-01-29 | 1931-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-07-30 | 1935-01-29 | 1935-07-31 | $7700.00 | Window Closed / Lapsed |