US2765580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction set elements and joint
Assignee: Individual
•
Filing: 1953-10-15
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Granted: 1956-10-09
•
Expires: 1973-10-15
Abstract
No abstract record available.
Inventors
- 👤 Herrschaft William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/102; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B9/00; F16B9/05; F16B9/056; Y; Y10; Y10S; Y10S403/00; Y10S403/13; Y10T; Y10T403/00; Y10T403/33; Y10T403/34; Y10T403/341; Y10T403/344; Y10T403/38; Y10T403/44; Y10T403/45; Y10T403/453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |