US2892231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Conmar Products Corp
•
Filing: 1955-05-24
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Granted: 1959-06-30
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Expires: 1975-05-24
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Frederick
- 👤 Mikulas William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:21
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/38; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2511; Y10T24/2513; Y10T24/2593
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1785715A
Cited
DE616470C
Cited
US2123512A
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US2123513A
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US2157381A
Cited
US2649638A
Cited
US2728125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-29 | 1962-12-29 | 1963-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-29 | 1966-12-29 | 1967-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-29 | 1970-12-29 | 1971-06-30 | $7700.00 | Window Closed / Lapsed |