Patent US2879561A successfully refreshed from Google Patents.
US2879561A
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Knockdown counter construction
Assignee: RIEDER BROTHERS
•
Filing: 1953-10-05
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Granted: 1959-03-31
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Expires: 1973-10-05
Abstract
No abstract record available.
Inventors
- 👤 Robert M Rieder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:21
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/12; F16B12/26; A; A47; A47F; A47F5/00; A47F5/0043; F16B12/28; F16B12/38; F16B5/00; F16B5/06; F16B5/0607; F16B5/0614; Y; Y10; Y10S; Y10S403/00; Y10S403/11
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |