US2222053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring ring
Assignee: A E WALLER Co Inc
•
Filing: 1940-02-26
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Granted: 1940-11-19
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Expires: 1960-02-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony C E Waller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:26
CPC Classifications
F; F16; F16B; F16B45/00; F16B45/04; F16B45/057; A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2009; A44C5/2014; F16B45/049; F16B45/051; F16B45/053; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8757
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) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |