US1721155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing and method of making
Assignee: CHICAGO RHOPAC PRODUCTS Co
•
Filing: 1924-06-26
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Granted: 1929-07-16
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Expires: 1944-06-26
Abstract
No abstract record available.
Inventors
- 👤 Norman E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:27
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/53; Y10T29/53652; Y10T29/53657; Y10T29/53796; Y10T29/5383; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2936
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) | 1932-07-15 | 1933-01-14 | 1933-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-15 | 1937-01-14 | 1937-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-15 | 1941-01-14 | 1941-07-16 | $7700.00 | Window Closed / Lapsed |