Patent US3371921A successfully refreshed from Google Patents.
US3371921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for assembling window and door frames
Assignee: Hydro Air Engineering Inc
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Filing: 1965-10-22
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Granted: 1968-03-05
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Frank A Hollomon
- 👤 Kenneth H Pizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:30
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/0013; B27M3/0073; Y; Y10; Y10S; Y10S269/00; Y10S269/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A FRAME ASSEMBLYING MACHINE COMPRISING A TABLE TOP OF OPEN WORK CONSTRUCTION ADAPTED TO SUPPORT ELEMENTS CONSTITUTING THE PARTS OF A WINDOW OR DOOR FRAME INCLUDING CRIPPLES, ADUSTABLE CRIPPLE LOCATOR MEANS MOUNTED IN AND FORMING A PART OF SAID TABLE TOP FOR SUPPORTING THE CRIPPLES AND INCLUDING A PLURALITY OF ALIGNED PAIRS OF UPRIGHT LOCATOR ELEMENTS BETWEEN WHICH THE CRIPPLES ARE DISPOSED, AND MEANS FOR RECIPROCALLY MOVING SAID
Claim 2
Dependent Claim
68 words
A FRAME ASSEMBLYING MACHINE COMPRISING A TABLE TOP OF OPEN WORK CONSTRUCTION ADAPTED TO SUPPORT ELEMENTS CONSTITUTING THE PARTS OF A WINDOW OR DOOR FRAME INCLUDING CRIPPLES, ADUSTABLE CRIPPLE LOCATOR MEANS MOUNTED IN AND FORMING A PART OF SAID TABLE TOP FOR SUPPORTING THE CRIPPLES AND INCLUDING A PLURALITY OF ALIGNED PAIRS OF UPRIGHT LOCATOR ELEMENTS BETWEEN WHICH THE CRIPPLES ARE DISPOSED, AND MEANS FOR RECIPROCALLY MOVING SAID
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |