Patent US4301807A successfully refreshed from Google Patents.
Patent US3077960A successfully refreshed from Google Patents.
US3077960A
Expired / Lapsed
US
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Structural framework
Assignee: Individual
•
Filing: 1954-12-06
•
Granted: 1963-02-19
•
Expires: 1974-12-06
Abstract
No abstract record available.
Inventors
- 👤 Lang Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:38
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/14; A47B96/1408; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/12; B; B01; B01D; B01D3/00; B01D3/14; C; C10; C10G; C10G7/00; E; E21; E21D; E21D7/00; F; F16; F16B; F16B19/00; F16B19/02; F16B35/00; F16B35/04; F16B35/041; F16B35/048; F16B43/00; F16B5/00; F16B5/02; F16B5/0216; F16B5/0225; F16B5/04; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/967
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |