US3103042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural building element
Assignee: Fabricacion de Maquinas SA de CV
•
Filing: 1959-09-28
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Granted: 1963-09-10
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Martin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:22
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/16; E04C2/18; E04C2/30; E04C2/34; E04C2/36; E04C2/365; E04D; E04D11/00; E04D3/00; E04D3/35; E04D3/351; E04D3/352; Y; Y10; Y10T; Y10T428/00; Y10T428/23; Y10T428/237; Y10T428/24; Y10T428/24149; Y10T428/24174; Y10T428/24273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1943701A
Cited
US1981559A
Cited
US2123869A
Cited
US2233190A
Cited
US2357115A
Cited
US2779066A
Cited
US2837779A
Cited
US2939811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |