US2843882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evener
Assignee: Uniroyal Inc
•
Filing: 1955-06-08
•
Granted: 1958-07-22
•
Expires: 1975-06-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Lewis
- 👤 Donald C Macdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:11
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/38; D01H5/42; D01H5/385; Y; Y10; Y10S; Y10S131/00; Y10S131/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2115086A
Cited
US2407100A
Cited
US2664749A
Cited
US2627183A
Cited
US2648502A
Cited
US2695981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |