US3154979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal working machine
Assignee: Douglas Aircraft Co Inc
•
Filing: 1957-06-07
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Granted: 1964-11-03
•
Expires: 1977-06-07
Abstract
No abstract record available.
Inventors
- 👤 Thayer S Crispin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:09
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5468; B23Q1/5481; B21; B21J; B21J15/00; B21J15/10; B21J15/36; B23Q1/01; B23Q1/012; Y; Y10; Y10S; Y10S408/00; Y10S408/702; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5118; Y10T29/53; Y10T29/53709; Y10T29/5377; Y10T29/53774; Y10T408/00; Y10T408/36; Y10T408/37; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T408/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METAL FABRICATING MACHINE COMPRISING: A HEAVY FRAME HAVING HORIZONTAL UPPER AND LOWER LOAD-BEARING MEMBERS AND SPACED-APART VERTICAL END POSTS AT EACH OF THE ENDS OF THE MEMBERS; RELATIVELY LIGHT FABRICATING TOOL MEANS ENCOMPASSED BY THE FRAME AND ADAPTED TO EXERT HIGH WORKING LOADS ALONG A VERTICAL AXIS; PRESSURE MEANS IN ALIGNMENT WITH SAID TOOL MEANS FOR DIRECTLY TRANSMITTING SAID LOADS TO THE FRAME; SAID TOOL MEANS BEING ADAPTED FOR INSERTION INTO AND REMOVAL FROM THE FRAME THROUGH EITHER OF THE OPENINGS BETWEEN THE END POSTS.
Claim 2
Dependent Claim
86 words
A METAL FABRICATING MACHINE COMPRISING: A HEAVY FRAME HAVING HORIZONTAL UPPER AND LOWER LOAD-BEARING MEMBERS AND SPACED-APART VERTICAL END POSTS AT EACH OF THE ENDS OF THE MEMBERS; RELATIVELY LIGHT FABRICATING TOOL MEANS ENCOMPASSED BY THE FRAME AND ADAPTED TO EXERT HIGH WORKING LOADS ALONG A VERTICAL AXIS; PRESSURE MEANS IN ALIGNMENT WITH SAID TOOL MEANS FOR DIRECTLY TRANSMITTING SAID LOADS TO THE FRAME; SAID TOOL MEANS BEING ADAPTED FOR INSERTION INTO AND REMOVAL FROM THE FRAME THROUGH EITHER OF THE OPENINGS BETWEEN THE END POSTS.
References Cited (Backward Citations)
US748823A
Cited
US746521A
Cited
US840859A
Cited
US1158874A
Cited
US1739152A
Cited
US1386629A
Cited
US1450198A
Cited
US1534018A
Cited
DE441448C
Cited
US2312554A
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US2456125A
Cited
US2650521A
Cited
US2799187A
Cited
US2974548A
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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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |